2014A&A...567A..20R

Query : 2014A&A...567A..20R

2014A&A...567A..20R - Astronomy and Astrophysics, volume 567A20-20 (2014/7-1)

A dusty M5 binary in the β Pictoris moving group.

RODRIGUEZ D.R., ZUCKERMAN B., FAHERTY J.K. and VICAN L.

Abstract (from CDS):

We report the identification of a new wide separation binary (LDS 5606) in the ∼20Myr-old β Pic moving group. This M5+M5 pair has a projected separation of 26'', or ∼1700AU at a distance of 65pc. Both stars host warm circumstellar disks and many strong hydrogen and helium emission lines. Spectroscopic observations reveal signatures of youth for both stars and on-going mass accretion in the primary. The properties of LDS 5606 make it an older analog to the ∼8Myr TWA 30 system, which is also composed of a pair of widely separated mid-M dwarfs, each hosting their own warm circumstellar disks. The binary star LDS 5606 joins a rather exclusive club of only three other known binary systems, far from any molecular cloud, where both members are orbited by detected circumstellar disks.

Abstract Copyright: ∼

Journal keyword(s): binaries: general - open clusters and associations: individual: beta Pictoris - stars: evolution - stars: pre-main sequence

Simbad objects: 25

goto Full paper

goto View the references in ADS

Number of rows : 25
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 V* YZ Cet PM* 01 12 30.6368826382 -16 59 56.358011559 15.315 13.885 12.074 10.696 8.938 M4.0Ve 335 0
2 2MASS J02590146-4232204 LM* 02 59 01.4809276320 -42 32 20.386273740           M5 12 0
3 WISE J032443.06-273323.1 MIR 03 24 43.06 -27 33 23.1           ~ 2 0
4 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1453 0
5 UCAC2 36944937 LM* 04 48 00.8561774784 +14 39 58.109282316   17.65 16.65 14.80   dM6 17 0
6 UCAC3 210-20333 * 04 48 02.5799997504 +14 39 51.406874460       15.85   ~ 10 0
7 HD 35036 * 05 22 23.4667658136 +16 07 21.866256660   7.80 7.49     ~ 22 0
8 HD 37588 PM* 05 40 17.6243829096 +16 23 34.136766492       7.1   F5 50 0
9 NAME Columba Association As* 06 04 19.4 -22 20 40           ~ 337 0
10 HD 84035 PM* 09 43 25.6603477823 +42 41 29.618159221 10.420 9.270   8.691   K4V 126 0
11 GD 108 HS* 10 00 47.2462375824 -07 33 30.773994012 12.406 13.349 13.563 13.662 13.781 sdB 150 1
12 TWA 34 LM* 10 28 45.7992409512 -28 30 37.525747356       15.82   M5e 40 0
13 V* TW Hya TT* 11 01 51.9053285064 -34 42 17.033218380   11.94 10.50 10.626 9.18 K6Ve 2144 1
14 NAME TW Hya Association As* 11 01.9 -34 42           ~ 1018 0
15 TWA 30B LM* 11 32 18.2189779176 -30 18 31.643286444         16.68 M4 45 0
16 TWA 30 Y*O 11 32 18.3115839696 -30 19 51.857770620       14.205 11.30 M5V 75 0
17 TWA 33 Y*? 11 39 33.8249537040 -30 40 00.365859300   16.71 15.06 14.85   M5.5e 39 0
18 TWA 32 ** 12 26 51.366576 -33 16 12.54324   17.21 16.00 15.73   M6.3 32 0
19 NAME beta Pic Moving Group MGr 14 30 -42.0           ~ 894 0
20 LP 816-60 PM* 20 52 33.0166041464 -16 58 29.003281943 14.094 13.029 11.458 10.251 8.658 M4V 135 0
21 * alf PsA C ** 22 48 04.4928501697 -24 22 07.717793375   14.301 12.624 12.216 9.674 M4.0Ve 94 0
22 * alf PsA PM* 22 57 39.04625 -29 37 20.0533 1.31 1.25 1.16 1.11 1.09 A4V 1303 3
23 HD 223340 PM* 23 48 50.4949536528 -28 07 15.663490608   10.1 9.28     K1V 48 0
24 * del Scl PM* 23 48 55.5462353347 -28 07 48.976490953 4.55 4.58 4.57 4.53 4.55 A0VankB9((_lB)) 149 0
25 V* BR Psc BY* 23 49 12.5250852078 +02 24 04.405476893 11.532 10.427 8.993 8.029 6.946 dM1 370 0

To bookmark this query, right click on this link: simbad:objects in 2014A&A...567A..20R and select 'bookmark this link' or equivalent in the popup menu