2022ApJ...936...23W

Query : 2022ApJ...936...23W

2022ApJ...936...23W - Astrophys. J., 936, 23 (2022/September-1)

Distributed YSOs in the Perseus Molecular Cloud from the Gaia and LAMOST Surveys.

WANG X.-L., FANG M., GAO Y., ZHANG H.-X., HERCZEG G.J., MA H.-J., CHEN E. and ZHOU X.-Y.

Abstract (from CDS):

Identifying the young optically visible population in a star-forming region is essential for fully understanding the star formation event. In this paper, we identify 211 candidate members of the Perseus molecular cloud based on Gaia astrometry. We use LAMOST spectra to confirm that 51 of these candidates are new members, bringing the total census of known members to 856. The newly confirmed members are less extincted than previously known members. Two new stellar aggregates are identified in our updated census. With the updated member list, we obtain a statistically significant distance gradient of 4.84 pc deg–1 from west to east. Distances and extinction corrected color-magnitude diagrams indicate that NGC 1333 is significantly younger than IC 348 and the remaining cloud regions. The disk fraction in NGC 1333 is higher than elsewhere, consistent with its youngest age. The star formation scenario in the Perseus molecular cloud is investigated and the bulk motion of the distributed population is consistent with the cloud being swept away by the Per-Tau Shell.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Pre-main sequence stars - Spectroscopy - Statistical parallax - Hertzsprung Russell diagram - Two-color diagrams - Star forming regions - Proper motions

VizieR on-line data: <Available at CDS (J/ApJ/936/23): table1.dat>

Simbad objects: 66

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Number of rows : 66
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 LDN 1448 DNe 03 22.5 +30 35           ~ 546 0
2 TYC 2341-410-1 Y*O 03 22 54.0614576808 +31 13 14.012771844   11.37 10.76     A1 2 0
3 Gaia DR3 124009935063344128 Or* 03 24 58.9029041725 +31 00 37.433177458           M3.1 5 0
4 IRAS 03219+3056 Y*O 03 25 06.7179168960 +31 06 52.823175192   14.229 12.851 12.534   G7 15 0
5 Gaia DR3 123994679339516800 Or* 03 25 07.4727492912 +30 49 41.981112696           M2.8 8 0
6 Gaia DR3 123998252752298752 Or* 03 25 12.5820061465 +30 59 22.133191575           K9.5 6 0
7 LAMOST J032531.14+305507.6 LM* 03 25 31.1368646146 +30 55 07.845765973           dM6 7 0
8 2MASS J03253790+3108207 Or* 03 25 37.9111070472 +31 08 20.899591080           M0.2 9 0
9 2MASS J03254686+3057204 Or* 03 25 46.8659228112 +30 57 20.493299880           M4.6 9 0
10 BD+30 540 Y*O 03 25 50.1007775016 +30 55 54.158303136   9.528 9.182 9.389   B8V 41 0
11 CRTS J032619.8+310637 Or* 03 26 19.8076176864 +31 06 37.089330480     15.33     K7 10 0
12 2MASS J03262821+3112078 Or* 03 26 28.2156515500 +31 12 07.758024320           M0 14 0
13 Gaia DR3 124034399197073024 Or* 03 27 42.4673837472 +31 17 07.753806972           M2.8 10 0
14 GSC 02342-00145 Or* 03 27 43.4063096107 +31 17 20.317039603   16.55 15.06 14.58   K4.5 12 0
15 LDN 1455 DNe 03 28 00.6480 +30 07 58.800           ~ 198 1
16 NGC 1333 OpC 03 29 09.2 +31 20 59           ~ 1575 1
17 ASR 23 Y*O 03 29 10.8224321760 +31 16 42.675444408           M0- 21 0
18 Gaia DR2 121399488300436352 Y*O 03 29 56.5017525146 +31 21 00.289839380           M4.1 12 0
19 UCAC4 610-010027 Y*O 03 32 21.4356626256 +31 50 57.756416424   14.044 12.791 12.519   A3 3 0
20 Barnard 1 MoC 03 33 16.3 +31 07 51           ~ 350 0
21 Gaia DR3 121147871936317184 Or* 03 33 29.2915148303 +30 57 58.899521216           K4 4 0
22 Gaia DR2 121251810145061376 Y*O 03 34 48.1818331752 +31 16 34.070229588           M4.3 5 0
23 NAME Perseus Cloud SFR 03 35.0 +31 13           ~ 1553 0
24 Gaia DR2 120460024334304128 Or* 03 38 12.7264502366 +31 04 29.855069934           M3.7 5 0
25 ATO J054.6502+31.6534 Or* 03 38 36.0463547040 +31 39 12.484587024           M1.8 8 0
26 Gaia DR3 120463116710737920 Or* 03 39 30.0965462929 +31 06 38.128750133           M4.2 4 0
27 Gaia DR2 217313117407234944 Y*O 03 39 38.7923157112 +31 43 45.425517065           A5 7 0
28 TYC 2359-1010-1 Y*O 03 40 15.8232941232 +32 09 16.621765560   12.10 11.50     kA1hA2mA3 14 0
29 ATO J055.0859+30.9864 Y*O 03 40 20.6257979928 +30 59 11.259908520           K9.7 6 0
30 Gaia DR2 217358747139771264 Y*O 03 40 20.8969532950 +32 09 56.403401007           M1.7 7 0
31 UCAC4 613-011043 Or* 03 40 58.3810224528 +32 30 23.880651192   15.886 14.624 14.154   K5 6 0
32 Gaia DR2 217349057693547008 Y*O 03 41 00.9407351903 +32 07 54.209741777           F0 7 0
33 TYC 2359-540-1 Y*O 03 41 14.1277562616 +31 59 46.130883360   12.62 12.60 12.24   A5 23 0
34 ATO J055.3102+32.3628 Or* 03 41 14.4580529967 +32 21 46.420205557           M1.1 10 0
35 Gaia DR3 217347232331662976 Or* 03 41 17.9582716776 +32 02 50.974647396           M3.5 6 0
36 ATO J055.3280+31.2375 Or* 03 41 18.7340021160 +31 14 15.252133020           M1 7 0
37 Gaia DR3 216585721745264896 Or* 03 41 26.4632975832 +31 50 37.069221156           K7 9 0
38 2MASS J03415816+3214179 Or* 03 41 58.1635812960 +32 14 17.943868824           G6 8 0
39 Ass Per OB 2 As* 03 42.2 +33 26           ~ 350 0
40 Gaia DR2 216590016712558080 Or* 03 42 21.2033741058 +31 57 11.896498496           M2.5 5 0
41 Gaia DR2 216508790291102464 Y*O 03 42 54.5635201454 +31 20 05.018969020           M3.1 5 0
42 Gaia DR3 217479521620315264 Y*O 03 43 13.5758746121 +32 36 25.957267776           F0 2 0
43 2MASS J03433494+3231372 Or* 03 43 34.9503657336 +32 31 37.155979272           G5 10 0
44 2MASS J03435084+3154210 Or* 03 43 50.8471954440 +31 54 21.093035436           K3.6 9 0
45 ATO J055.9729+31.6276 Or* 03 43 53.4931324532 +31 37 39.523492476   16.385 14.789 14.760   K5 8 0
46 Gaia DR2 216613999810965760 Or* 03 44 03.4360155070 +31 39 18.335876607           K7 8 0
47 2MASS J03440459+3228062 Or* 03 44 04.5948630672 +32 28 06.220876548           M3.3 9 0
48 GSC 02359-00943 Y*O 03 44 29.9789178192 +32 25 58.900469628     11.68     A1 14 0
49 IC 348 OpC 03 44 31.1 +32 10 02           ~ 1476 1
50 2MASS J03452174+3232065 Or* 03 45 21.7431186192 +32 32 06.569953332           M3.6 12 0
51 Cl* IC 348 LRL 10338 Y*O 03 45 23.3108569440 +32 00 15.757867836           A5 8 0
52 2MASS J03452338+3224369 Or* 03 45 23.3799643032 +32 24 36.951777648           K5.6 14 0
53 2MASS J03453345+3145553 LM* 03 45 33.4612076088 +31 45 55.367850060           M6 15 0
54 Gaia DR2 216418321101566464 Or* 03 46 05.2118409429 +31 38 51.865932855           M0.3 8 0
55 UCAC4 611-010999 Or* 03 46 46.4647114499 +32 01 49.241325611       15.594   K7 12 0
56 Gaia DR2 217049784373512448 Y*O 03 47 33.6502275964 +32 38 58.372192891           M4.3 5 0
57 LDN 1471 DNe 03 48.0 +32 54           ~ 349 0
58 UCAC4 611-011056 Or* 03 48 03.0828842880 +32 05 12.208171272   16.314 14.868 14.391   K7 7 0
59 Gaia DR3 217072186920843264 Or* 03 48 51.3423675195 +32 42 51.717088490           M2.2 6 0
60 ZTF J034948.82+325002.2 Or* 03 49 48.8250505722 +32 50 02.298995398           M2.8 8 0
61 Gaia DR2 217164305382538240 Y*O 03 50 14.6438784984 +33 00 46.095884172           M3.7 7 0
62 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
63 Cl Mamajek 1 OpC 08 42 32.9 -78 57 47           ~ 392 0
64 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3969 1
65 NAME Local Bubble ISM ~ ~           ~ 1059 0
66 NAME Per-Tau reg ~ ~           ~ 54 0

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