1996A&A...305..806B

Query : 1996A&A...305..806B

1996A&A...305..806B - Astronomy and Astrophysics, volume 305, 806-810 (1996/1-3)

Soft X-rays from the intermediate-age open cluster NGC 752.

BELLONI T. and VERBUNT F.

Abstract (from CDS):

A ROSAT PSPC observation of NGC 752 detects 49 sources. Seven sources are tentatively identified with optical cluster members, of which three are short-period binaries, one is a blue straggler, and one a rapid rotator. The eclipsing binary DS And - also a cluster member - is probably detected as well. The X-ray properties of these sources are similar to those of RS CVn binaries with the same absolute magnitude and colour in the galactic disk.

Abstract Copyright: ∼

Journal keyword(s): stars: activity - open clusters and associations: individual: NGC 752 - X-rays: stars

Nomenclature: Table 1: [BV96] NN (Nos 1-49)

Simbad objects: 53

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Number of rows : 53
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 RX J015638.1+373757 X 01 56 38.2 +37 37 57           ~ 1 0
2 NGC 752 101 SB* 01 56 41.0162445192 +37 34 41.642148036   12.23 11.52     ~ 5 0
3 RX J015651.5+374303 X 01 56 51.6 +37 43 03           ~ 1 0
4 NGC 752 OpC 01 56 53.5 +37 47 38           ~ 642 0
5 RX J015655.0+374136 X 01 56 55.1 +37 41 36           ~ 1 0
6 RX J015710.2+374531 X 01 57 10.3 +37 45 31           ~ 1 0
7 NGC 752 156 * 01 57 10.5368804520 +37 27 26.817068304   14.64 13.77     K2.9 9 0
8 RX J015711.4+373015 X 01 57 11.4 +37 30 15           ~ 1 0
9 RX J015711.9+373140 X 01 57 12.0 +37 31 40           ~ 1 0
10 RX J015718.5+373350 X 01 57 18.5 +37 33 50           ~ 1 0
11 RX J015720.0+375640 X 01 57 20.1 +37 56 40           ~ 1 0
12 RX J015720.8+375632 X 01 57 20.9 +37 56 32           ~ 2 0
13 NGC 752 182 ** 01 57 22.272000 +37 36 23.16204   12.82 12.23 12.17   ~ 11 0
14 RX J015722.9+373257 X 01 57 22.9 +37 32 57           ~ 1 0
15 RX J015726.0+372355 X 01 57 25.98 +37 23 55.8           ~ 1 0
16 RX J015726.2+374337 X 01 57 26.3 +37 43 38           ~ 1 0
17 RX J015734.0+375411 X 01 57 34.1 +37 54 11           ~ 1 0
18 RX J015735.9+374934 X 01 57 36.0 +37 49 34           ~ 1 0
19 BD+37 431 SB* 01 57 36.2116385405 +37 45 10.154947116   10.16 9.85     F2III 44 0
20 BD+36 367 Pe* 01 57 37.3482840600 +37 29 27.590431848   9.780 9.723 9.860   B9.5Vp?Hg? 46 0
21 RX J015737.8+373921 X 01 57 37.9 +37 39 21           ~ 1 0
22 NGC 752 214 * 01 57 39.4453277280 +37 52 25.937726340   10.82 10.44     F5.0 25 0
23 RX J015742.6+372427 X 01 57 42.7 +37 24 27           ~ 1 0
24 RX J015745.8+374148 X 01 57 45.8 +37 41 48           ~ 1 0
25 V* DS And SB* 01 57 46.0564787701 +38 04 28.431446959   10.89 10.52     F5.7 80 0
26 NGC 752 225 * 01 57 49.5553528032 +37 49 13.918033596   10.69 10.14     F5V 12 0
27 RX J015750.8+374516 X 01 57 50.9 +37 45 16           ~ 1 0
28 RX J015751.2+372618 X 01 57 51.3 +37 26 18           ~ 1 0
29 NGC 752 226 * 01 57 51.4233762744 +37 53 05.533928016   11.96 11.58     G0 9 0
30 V* QX And EB* 01 57 57.7816919821 +37 48 22.453231805   11.736 11.25 11.23 10.68 F5 114 0
31 RX J015758.2+373356 X 01 57 58.3 +37 33 56           ~ 1 0
32 RX J015759.2+373224 X 01 57 59.2 +37 32 24           ~ 1 0
33 BD+36 372 * 01 57 59.7845125248 +37 40 38.452991736   10.16 9.79     F5V 11 0
34 NGC 752 242 * 01 58 01.8 +37 45 27           ~ 1 0
35 BD+36 374 PM* 01 58 02.5139790432 +37 29 36.778110432   11.3 10.08     K0V 13 0
36 RX J015810.7+373429 * 01 58 10.8955348344 +37 34 29.957896776           ~ 1 0
37 RX J015811.8+373102 X 01 58 11.9 +37 31 02           ~ 1 0
38 RX J015812.0+374048 X 01 58 12.1 +37 40 48           ~ 1 0
39 RX J015815.3+374842 X 01 58 15.3 +37 48 42           ~ 1 0
40 RX J015816.6+375721 X 01 58 16.7 +37 57 21           ~ 1 0
41 RX J015818.1+373334 X 01 58 18.2 +37 33 34           ~ 1 0
42 RX J015818.8+374036 X 01 58 18.9 +37 40 36           ~ 1 0
43 RX J015820.3+374731 X 01 58 20.3 +37 47 31           ~ 1 0
44 RX J015822.7+372950 X 01 58 22.8 +37 29 51           ~ 1 0
45 RX J015832.9+372914 X 01 58 33.0 +37 29 14           ~ 1 0
46 RX J015842.9+374220 X 01 58 42.9 +37 42 20           ~ 1 0
47 RX J015848.9+374934 X 01 58 49.0 +37 49 34           ~ 1 0
48 HD 12027 * 01 58 51.6293531982 +37 41 07.772252286   8.997 8.726 8.811   A3III 20 0
49 V* V447 And RS* 01 58 53.9323223832 +37 34 42.527926596   14.22 13.39     K3.0 11 0
50 RX J015909.2+374111 X 01 59 09.3 +37 41 11           ~ 1 0
51 RX J015912.9+373319 X 01 59 13.0 +37 33 19           ~ 1 0
52 Cl* NGC 2682 SAND 1082 EB* 08 51 20.7915 +11 53 26.168   11.66 11.150 11.09 10.722 F5IV 120 0
53 NGC 2682 OpC 08 51 23.0 +11 48 50           ~ 2342 0

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