2016MNRAS.456.2505L

Query : 2016MNRAS.456.2505L

2016MNRAS.456.2505L - Mon. Not. R. Astron. Soc., 456, 2505-2517 (2016/March-1)

Variable stars in young open star cluster NGC 7380.

LATA S., PANDEY A.K., PANWAR N., CHEN W.P., SAMAL M.R. and PANDEY J.C.

Abstract (from CDS):

We present time series photometry of 57 variable stars in the cluster region NGC 7380. The association of these variable stars with the cluster NGC 7380 has been established on the basis of two colour diagrams and colour-magnitude diagrams. 17 stars are found to be main-sequence variables, which are mainly B-type stars and are classified as slowly pulsating B stars, β Cep or δ Scuti stars. Some of them may belong to new class variables as discussed by Mowlavi et al. and Lata et al. Present sample also contains 14 pre-main-sequence stars, whose ages and masses are found to be mostly ≲ 5Myr and range 0.60 ≲ M/M☉ ≲ 2.30 and hence should be T-Tauri stars. About half of the weak-line T-Tauri stars are found to be fast rotators with a period of ≲ 2 d as compared to the classical T-Tauri stars. Some of the variables belong to the field star population.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): stars: variables: general - open clusters and associations: general

Simbad objects: 62

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Number of rows : 62
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 Cl Berkeley 59 OpC 00 02 17 +67 26.5           ~ 107 0
2 NAME Per Arm PoG 03 30 +45.0           ~ 1672 0
3 NGC 1893 OpC 05 22 52.8 +33 26 32           ~ 270 0
4 ZTF J224630.66+580304.8 EB* 22 46 30.6681956520 +58 03 04.851406980     16.825   15.480 ~ 5 0
5 2MASS J22463467+5807178 V* 22 46 34.6738946448 +58 07 17.887430136     17.043   15.686 ~ 1 0
6 2MASS J22463989+5804187 Pu* 22 46 39.8966187624 +58 04 18.863433480   13.75 13.440   12.407 ~ 2 0
7 2MASS J22464344+5805467 V* 22 46 43.4448732936 +58 05 46.843415988     15.996   14.120 ~ 1 0
8 TYC 3996-1275-1 mul 22 46 45.422688 +58 07 42.53124   12.967 12.448 12.406 11.736 ~ 2 0
9 2MASS J22464632+5805421 V* 22 46 46.3284585696 +58 05 42.182015316     16.490   14.440 ~ 1 0
10 2MASS J22464962+5800381 V* 22 46 49.6342565040 +58 00 38.232907272   15.63 15.627   14.599 ~ 2 0
11 2MASS J22464972+5813144 V* 22 46 49.7312916984 +58 13 14.436262740     15.242   13.467 ~ 1 0
12 2MASS J22464979+5813231 V* 22 46 49.7924174184 +58 13 23.132206524     15.534   13.740 ~ 1 0
13 2MASS J22465058+5808247 LP? 22 46 50.5862029248 +58 08 24.778765176     15.614   11.515 ~ 3 0
14 2MASS J22465196+5804587 V* 22 46 51.9563666160 +58 04 58.763620308   15.21 14.847   14.244 ~ 2 0
15 HD 215835 SB* 22 46 54.1107754872 +58 05 03.533752788 8.24 8.85 8.629   8.049 O5.5V((f))+O6V((f)) 260 0
16 2MASS J22465543+5805154 V* 22 46 55.4297029056 +58 05 15.601709688     16.079   15.397 ~ 1 0
17 NGC 7380 15 V* 22 46 56.9225038536 +58 07 04.237745520   13.50 13.143   12.581 ~ 7 0
18 2MASS J22465704+5806166 Pu* 22 46 57.0411876624 +58 06 16.713246240   13.44 13.774   13.115 ~ 2 0
19 ZTF J224702.38+580729.8 LP* 22 47 02.3777300064 +58 07 29.806863060     15.560   11.882 ~ 4 0
20 LS III +57 78 Y*O 22 47 04.8752093688 +58 06 01.914874704 11.11 11.53 11.296   10.767 B1V 17 0
21 ZTF J224707.10+581103.7 LP* 22 47 07.1090517024 +58 11 03.717791196     15.245   12.105 ~ 3 0
22 2MASS J22471205+5810337 V* 22 47 12.0698154744 +58 10 33.605802336     19.215   17.155 ~ 1 0
23 2MASS J22471237+5806348 V* 22 47 12.3800340288 +58 06 34.746426288     16.999   15.534 ~ 2 0
24 LS III +57 81 bC? 22 47 12.5538525288 +58 08 41.222212440 10.3 10.88 10.656   10.275 B0.5V 26 0
25 2MASS J22471416+5812275 ** 22 47 14.16792 +58 12 27.5796     18.126   16.704 ~ 1 0
26 2MASS J22471435+5806596 Y*O 22 47 14.3647943496 +58 06 59.465451744   16.2 15.506   14.763 ~ 3 0
27 TYC 3992-561-1 Pu* 22 47 14.9526612264 +58 06 34.267879368   12.66 12.673   12.201 ~ 5 0
28 UCAC4 741-086627 ** 22 47 16.732032 +58 05 24.64728     14.064 13.864 13.225 ~ 2 0
29 ZTF J224717.25+580439.5 LP* 22 47 17.2363066392 +58 04 39.416451564     15.829   11.614 ~ 4 0
30 LS III +57 82 Pu* 22 47 18.0829873704 +58 08 40.977618144   12.12 11.989   11.501 OB- 12 0
31 [D75b] Em* 22-097 LP* 22 47 22.4032718784 +58 01 21.512901144     14.895   12.766 Ae 12 0
32 NGC 7380 OpC 22 47 23.4 +58 06 55           ~ 198 0
33 2MASS J22472415+5806598 V* 22 47 24.1496179008 +58 06 59.896365732     16.470   15.489 ~ 1 0
34 2MASS J22472789+5807236 V* 22 47 27.8875437408 +58 07 23.650778424           ~ 1 0
35 SH 2-142 HII 22 47 32 +58 02.9           ~ 100 1
36 2MASS J22473213+5809402 V* 22 47 32.1359061696 +58 09 40.153766760   12.88 12.674   12.111 ~ 3 0
37 LS III +57 85 Pu* 22 47 35.0298118224 +58 07 36.459049944 11.73 12.00 11.857   11.326 B1.5V 22 0
38 ZTF J224735.73+580912.3 LP* 22 47 35.7427498008 +58 09 12.280478040   16.56 15.892   15.008 ~ 8 0
39 2MASS J22473590+5804330 Y*O 22 47 35.9275277088 +58 04 32.975346252     16.713   15.134 ~ 4 0
40 NGC 7380 6 Pu* 22 47 36.4536367752 +58 11 15.188240724   10.71 10.354   9.831 A 9 0
41 2MASS J22473978+5808313 Y*O 22 47 39.7969001064 +58 08 31.243667028     17.966   15.827 ~ 4 0
42 UCAC4 741-086760 Be* 22 47 40.1198644464 +58 09 03.661770384     13.678 13.517 12.702 B1-3Ve 8 0
43 ZTF J224741.12+580413.7 EB* 22 47 41.1420581328 +58 04 13.746541008     17.652   16.261 ~ 4 0
44 2MASS J22474207+5809037 V* 22 47 42.0621113640 +58 09 03.797316396     15.306   15.306 ~ 1 0
45 2MASS J22474317+5803469 LP? 22 47 43.1826058056 +58 03 47.119990464     16.073   14.208 ~ 4 0
46 2MASS J22474418+5800528 V* 22 47 44.1972084216 +58 00 52.782284196     17.615   16.185 ~ 1 0
47 2MASS J22474498+5813529 Pu* 22 47 44.9993526768 +58 13 52.947015528   13.72 13.226   12.428 ~ 3 0
48 ZTF J224745.21+580540.2 EB* 22 47 45.2192645664 +58 05 40.233964488   15.81 15.759   14.489 ~ 5 0
49 2MASS J22474729+5801323 dS* 22 47 47.2926958440 +58 01 32.352230604   13.74 13.568   12.726 ~ 2 0
50 2MASS J22474732+5803294 V* 22 47 47.3298617184 +58 03 29.615195988   13.63 12.428   10.826 ~ 3 0
51 2MASS J22474812+5803559 dS* 22 47 48.1192466640 +58 03 56.096393868   14.13 14.144   13.185 ~ 2 0
52 2MASS J22474888+5813119 V* 22 47 48.8877056208 +58 13 11.858173860   14.24 13.907   12.938 ~ 3 0
53 2MASS J22474963+5813104 V* 22 47 49.6501414008 +58 13 10.350215724     16.353   15.157 ~ 1 0
54 ATO J341.9818+58.0362 EB* 22 47 55.6407189864 +58 02 10.613989428     15.372   14.131 ~ 6 0
55 2MASS J22475730+5807408 V* 22 47 57.3142049208 +58 07 40.873329264     15.193   14.003 ~ 1 0
56 UCAC3 297-189592 V* 22 47 59.6823975408 +58 08 28.566725640   14.11 12.434   10.709 ~ 4 0
57 2MASS J22480047+5803098 V* 22 48 00.5088882744 +58 03 09.639247788     18.912   17.477 ~ 1 0
58 2MASS J22480581+5804384 V* 22 48 05.8546996320 +58 04 38.337197268     18.334   17.447 ~ 1 0
59 2MASS J22480649+5804508 V* 22 48 06.49512 +58 04 50.8080     16.442   14.448 ~ 1 0
60 2MASS J22480653+5804378 Y*O 22 48 06.5473254768 +58 04 37.866579780     17.957   15.637 ~ 5 0
61 2MASS J22480975+5806576 dS* 22 48 09.7638225336 +58 06 57.682351188   13.86 13.388   12.664 ~ 3 0
62 LS III +57 91 EB* 22 48 16.2459144720 +58 00 47.534631588 10.5 10.84 10.404   9.695 B0.5V 21 0

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