2025MNRAS.540..821P

Query : 2025MNRAS.540..821P

2025MNRAS.540..821P - Mon. Not. R. Astron. Soc., 540, 821-836 (2025/June-2)

A targeted search for binary white dwarf pulsars using Gaia and WISE.

PELISOLI I., MARSH T.R., TOVMASSIAN G., AMARAL L.A., AUNGWEROJWIT A., GREEN M.J., ASHLEY R.P., BUCKLEY D.A.H., GANSICKE B.T., HAMBSCH F.-J., INIGHT K., POTTER S.B., BROWN A.J., CASTRO SEGURA N., DHILLON V.S., DYER M.J., GARBUTT J.A., JARVIS D., KENNEDY M.R., KEPLER S.O., KERRY P., LITTLEFAIR S.P., McCORMAC J., MUNDAY J., PARSONS S.G., PIKE E. and SAHMAN D.I.

Abstract (from CDS):

After its discovery in 2016, the white dwarf binary AR Scorpii (AR Sco) remained for several years the only white dwarf system to show pulsed radio emission associated with a fast-spinning white dwarf. The evolutionary origin and the emission mechanism for AR Sco are not completely understood, with different models proposed. Testing and improving these models requires observational input. Here, we report the results of a targeted search for other binary white dwarf pulsars like AR Sco. Using data from Gaia and the Wide-field Infrared Survey Explorer (WISE), we identified 56 candidate systems with similar properties to AR Sco, of which 26 were previously uncharacterized. These were subject to spectroscopic and photometric follow-up observations. Aside from one new binary white dwarf pulsar found, J191213.72-441045.1, which was reported in a separate work, we find no other systems whose characteristics are akin to AR Sco. The newly characterized systems are primarily young stellar objects (with 10 found) or cataclysmic variables (7 identifications), with the remaining being either blended or non-variable on short time-scales.

Abstract Copyright: © 2025 The Author(s). Published by Oxford University Press on behalf of Royal Astronomical Society.

Journal keyword(s): novae, cataclysmic variables - stars: pre-main-sequence - stars: variables: general - stars: variables: T Tauri, Herbig Ae/Be - white dwarfs

Status at CDS : All or part of tables of objects will be ingested in SIMBAD with priority 1.

Simbad objects: 64

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Number of rows : 64
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Gaia DR3 4702994514879977472 CV* 00 07 43.2267751392 -69 59 47.652211968           ~ 2 0
2 V* BL Hyi CV* 01 41 00.3996430344 -67 53 27.470100660       15.340   DC: 221 0
3 Gaia DR3 4617143036371460864 CV* 01 56 37.2334330631 -83 58 34.230451351           ~ 1 0
4 ATO J057.7334-20.8044 EB? 03 50 55.9912103644 -20 48 15.823833642   15.246 14.723 14.512   ~ 5 0
5 1RXS J035410.4-165244 CV* 03 54 10.3093825488 -16 52 50.034416160     17.47     DQ 21 1
6 CRTS J035758.7+102943 CV* 03 57 58.6571676569 +10 29 42.350173593           ~ 9 0
7 ATO J062.0910+60.7803 Y*O 04 08 21.8594087604 +60 46 49.074747510       15.241   ~ 2 0
8 Gaia DR3 4871949697851411456 CV* 04 28 11.5362372073 -33 00 01.417623574           ~ 1 0
9 CRTS J043509.7-752743 RR* 04 35 09.6171292008 -75 27 43.950653676   17.3 16.66     ~ 4 0
10 ZTF J045254.58+301718.8 CV* 04 52 54.5615618562 +30 17 18.995042603           ~ 3 0
11 1eRASS J050349.2-282307 CV* 05 03 49.2541132776 -28 23 08.307950064     18.1     ~ 20 0
12 CVSO 1241 TT* 05 30 12.4047224208 +01 48 21.399503940     17.5 16.47   M2e 11 0
13 V* UW Pic CV* 05 31 35.6477519256 -46 24 04.962759156           ~ 53 0
14 2MASS J05315396+0242310 TT? 05 31 53.9610649080 +02 42 31.185652500       17.55   ~ 4 0
15 CRTS J053716.3-071146 Y*O 05 37 16.4068454376 -07 11 46.384224288   17.91 17.43     ~ 12 0
16 NAME Ori I As* 05 38 -02.8           ~ 653 0
17 NAME Ori A MoC 05 38 -07.1           ~ 3187 0
18 Gaia DR2 3334578455035280128 Y*O 05 39 03.5233902762 +08 24 24.335657315           ~ 2 0
19 2MASS J05405519-0247497 Em* 05 40 55.1947184424 -02 47 49.799960808           ~ 2 0
20 Gaia DR2 3336335474617325568 * 05 41 07.1214145104 +09 18 43.423078032           ~ 7 0
21 2MASS J05422602-0308566 Em* 05 42 26.0333181072 -03 08 56.827374288           ~ 5 0
22 Gaia DR3 3335057979544055168 Y*O 05 51 28.9926406151 +07 52 40.998643355           ~ 1 0
23 Gaia DR3 3100846613967311232 Y*O 06 57 15.1216718991 -06 15 42.611873267           ~ 3 0
24 PM J07068+0324 CV* 07 06 48.9249021096 +03 24 47.332036872     18.1     ~ 21 0
25 V* HS Cam CV* 07 19 14.5154497992 +65 57 44.306885988   19.01       ~ 30 0
26 Gaia DR3 5532757148220186880 Y*O 07 59 32.3057118682 -44 12 25.207330004           ~ 2 0
27 Gaia DR3 3038572263932589696 * 08 08 06.8676348359 -09 35 13.570848188           ~ 1 0
28 V* VV Pup CV* 08 15 06.8009599464 -19 03 17.765706024     13.90     M7V 413 0
29 * eta Cha Pu* 08 41 19.5125857944 -78 57 48.105898056 5.02 5.351 5.453     B8V 246 0
30 IC 2395 OpC 08 42 09.0 -48 05 14     4.6     ~ 120 1
31 Gaia DR2 5329108769930689664 * 08 42 45.7697833752 -48 11 41.962680852           ~ 6 0
32 Gaia DR3 790222752096510592 * 11 25 44.3381139664 +50 12 18.002482506           ~ 1 0
33 [FLG2003] eps Cha 11 * 12 01 43.4655483672 -78 35 47.166190476           M2.25 13 0
34 Gaia DR3 3513017956589117056 * 12 26 37.8981685342 -23 04 14.458278863           ~ 1 0
35 Gaia DR3 6086028036361965952 Y*O 13 01 56.6821595793 -47 02 05.395297194           ~ 2 0
36 Gaia DR3 6067533838480626432 Y*O 13 05 47.9668500689 -55 02 34.048093156           ~ 3 0
37 BPS CS 30311-0012 LM* 13 25 22.3832657904 +06 00 28.813902948   14.81 13.91     M 5 0
38 V* V834 Cen CV* 14 09 07.2863511816 -45 17 16.023776676       15.301   M6.5 333 0
39 Gaia DR3 5846719394999359232 CV* 14 25 40.4463157222 -68 37 32.908916159           ~ 1 0
40 2MASS J14534105-5521387 CV* 14 53 41.0567607504 -55 21 38.723308992           ~ 46 0
41 CRTS J155929.1-223618 Y*O 15 59 29.2116414936 -22 36 17.454521808     16.54     M3.5 10 0
42 2MASS J16020429-2231468 Or* 16 02 04.3007392176 -22 31 46.891753536           M1.75 20 0
43 2MASS J16063093-2258150 Y*O 16 06 30.9216261312 -22 58 15.085430580           ~ 8 0
44 NAME Upper Sco Association As* 16 12 -23.4           ~ 1586 1
45 Gaia DR2 6048855674228736128 * 16 17 44.7825767880 -25 09 15.469327728           ~ 4 0
46 V* AR Sco EB* 16 21 47.2831986456 -22 53 10.385689092   14.94 14.75     M5+D? 141 0
47 * rho Oph ** 16 25 35.11766 -23 26 49.8150 4.30 4.85 4.63 4.27 3.96 B2IV+B2V 670 0
48 Gaia DR3 6033663795136741888 * 16 57 52.6066484313 -26 31 52.608192136           ~ 1 0
49 V* V2301 Oph CV* 18 00 35.5317201576 +08 10 13.920836628           ~ 107 0
50 Gaia DR3 4585783762161656832 Y*O 18 28 29.4747953292 +28 23 46.021385107           ~ 3 0
51 2MASS J18294021+0015127 Or* 18 29 40.2172997808 +00 15 12.984492456           K2: 17 0
52 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1195 1
53 Gaia DR3 4079708070610098432 EB* 18 45 53.1724465948 -21 46 34.933417304           ~ 2 0
54 V* EP Dra CV* 19 07 06.1869434379 +69 08 43.874477499   18       ~ 69 0
55 2MASS J19121372-4410450 Psr 19 12 13.7198308494 -44 10 45.084252619         16.055 ~ 34 0
56 2MASS J19171606-1231166 Y*O 19 17 16.0713604872 -12 31 16.673712132           ~ 3 0
57 2MASS J19293303-5603434 CV* 19 29 33.0419357870 -56 03 43.027477876         16.382 ~ 5 0
58 Gaia DR3 6909026160627539840 * 20 59 52.8968980302 -07 47 13.857753223           ~ 1 0
59 Gaia DR3 6883251168530612352 * 21 01 24.6714804704 -16 16 07.537917860           ~ 1 0
60 Gaia DR3 6827850007422236928 * 21 19 12.6217567200 -23 08 09.089997370           ~ 1 0
61 2MASS J21205785+6848183 Or* 21 20 57.8525561688 +68 48 18.381996072   18.79 17.62 16.77 16.03 ~ 13 0
62 Gaia DR3 1956566510538468224 CV* 22 04 50.6850868872 +40 08 38.412954420           ~ 4 0
63 RX J2218.5+1925 CV* 22 18 32.7589945920 +19 25 20.483109192     17.5     ~ 26 0
64 Gaia DR3 1925212909978565632 Y*O 23 36 11.3173022187 +44 25 39.569596181           ~ 2 0

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