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


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.04CEST02:22:59

2014A&A...567A..20R - Astronomy and Astrophysics, volume 567A, 20-20 (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: 26

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Number of rows : 26

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 V* YZ Cet Er* 01 12 30.6367741360 -16 59 56.361313690 15.315 13.885 12.074 10.696 8.938 M4.0Ve 199 0
2 2MASS J02590146-4232204 LM* 02 59 01.4810126363 -42 32 20.382148929           M5 6 0
3 WISE J032443.06-273323.1 IR 03 24 43.06 -27 33 23.1           ~ 2 0
4 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1216 0
5 UCAC2 36944937 PM* 04 48 00.8559157641 +14 39 58.109911423   17.65 16.65 14.80   ~ 7 0
6 ** LDS 5606 ** 04 48 00.86 +14 39 58.1           ~ 4 0
7 UCAC3 210-20333 * 04 48 02.5798493680 +14 39 51.406456414       15.85   ~ 7 0
8 HD 35036 * 05 22 23.4663587911 +16 07 21.863238610   7.80 7.49     A0V 15 0
9 HD 37588 PM* 05 40 17.6242591430 +16 23 34.137808774       7.1   F5 35 0
10 NAME Columba Association As* 06 14.0 -40 03           ~ 204 0
11 HD 84035 PM* 09 43 25.6605300177 +42 41 29.615366410 10.420 9.270   8.691   K4V 103 0
12 GD 108 HS* 10 00 47.2462037648 -07 33 30.777365253 12.406 13.349 13.563 13.662 13.781 sdB 129 1
13 TWA 34 LM* 10 28 45.7990825931 -28 30 37.527196674       15.82   M5e 24 0
14 V* TW Hya TT* 11 01 51.9054298616 -34 42 17.031550898   11.94 10.50 10.626 9.18 K6Ve 1532 1
15 NAME TW Hya Association As* 11 01.9 -34 42           ~ 819 0
16 TWA 30B LM* 11 32 18.2184758367 -30 18 31.652412622         16.68 M4 32 0
17 TWA 30 Y*O 11 32 18.3109439046 -30 19 51.860228754   15.82 14.20 14.44 11.30 M5V 54 0
18 TWA 33 PM* 11 39 33.8249188234 -30 40 00.366404047   16.71 15.06 14.85   M5.5e 20 0
19 TWA 32 ** 12 26 51.366576 -33 16 12.54324   17.21 16.00 15.73   M6.3 26 0
20 NAME beta Pic Moving Group MGr 14 30 -42.0           ~ 557 0
21 LP 816-60 PM* 20 52 33.0167129662 -16 58 29.007763625 14.094 13.029 11.458 10.251 8.658 M4V 64 0
22 * alf PsA C ** 22 48 04.4925278822 -24 22 07.722882232   14.301 12.624 12.216 9.674 M4.0Ve 54 0
23 * alf PsA ** 22 57 39.04625 -29 37 20.0533 1.31 1.25 1.16 1.11 1.09 A4V 1113 3
24 HD 223340 PM* 23 48 50.4948807098 -28 07 15.664053395   10.1 9.28     K1V 29 0
25 * del Scl PM* 23 48 55.54658 -28 07 48.9745 4.55 4.58 4.57 4.53 4.55 A0VankB9((_lB)) 130 0
26 V* BR Psc BY* 23 49 12.5251391270 +02 24 04.403044891 11.532 10.427 8.993 8.029 6.946 M1VFe-1 282 0

    Equat.    Gal    SGal    Ecl

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2020.07.04-02:22:59

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