15390-5742 VGT 4A,Zb

15^h 38^m 57.55^s -57° 42' 27.3" P.A. 59.00 sep 6.6 mag 5.90, Sp K0V dist. 38.54 pc (125.72 l.y.)

Coord 2000	15390-5742	Discov num	VGT 4	Comp	A,Zb	Coord arcsec 2000	15 38 57.55 -57 42 27.3
Date first	2009	Date last	2011	Obs	2
Pa first	60	Pa last	59	P.A. Now (θ)	59°
Sep first	6.5	Sep last	6.6	Sep. Now (ρ)	6.6"
Mag pri	5.90	Mag sec		delta mag (ΔM)		Spectral class	K0V (yellow-orange)
Pri motion ra	-049	Sec motion ra
Pri motion dec	-097	Sec motion dec
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star

Nature of this double is uncertain.

15390-5742 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		242791	15 38 58 -57 42 27	NLS 2 Aa,Ab	2016	7	42	0.1	5.90	8.80	2.90	Y
Show	V343 Nor	242791	15 38 58 -57 42 27	SKF 1501 AB	2016	6	323	10.3	8.10	14.80	6.70
Show		242791	15 38 58 -57 42 27	VGT 4 AI	2015	3	303	7.6	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 AJ	2011	2	338	5.7	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 AT	2011	2	353	3.2	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 AU	2011	2	197	2.1	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 AV	2011	2	261	3.6	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 AW	2011	2	205	4.2	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 AX	2011	2	78	4.4	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 AY	2011	2	212	4.4	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 A,Za	2011	2	63	4.8	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 A,Zb	2011	2	59	6.6	5.90				<===
Show		242791	15 38 58 -57 42 27	VGT 4 A,Zc	2011	2	184	6.5	5.90
Show		242791	15 38 58 -57 42 27	VGT 4 A,Zd	2011	2	70	6.9	5.90
Show		242791	15 38 57 -57 42 19	CVN 52 BC	2004	1	205	1.4	9.19	16.50	7.31
Show		242791	15 38 57 -57 42 19	CVN 52 BD	2004	1	42	2.3	9.19	15.90	6.71
Show		242791	15 38 57 -57 42 19	CVN 52 BE	2004	1	248	2.4	9.19	18.30	9.11
Show		242791	15 38 57 -57 42 19	CVN 52 BF	2004	1	222	2.7	9.19	16.60	7.41
Show		242791	15 38 57 -57 42 19	CVN 52 BG	2004	1	104	3.3	9.19	16.70	7.51
Show		242791	15 38 57 -57 42 19	CVN 52 BH	2015	2	183	4.2	9.19	16.60	7.41
Show		242791	15 38 57 -57 42 19	CVN 52 BI	2004	1	188	5.2	9.19	14.40	5.21
Show		242791	15 38 57 -57 42 19	CVN 52 BJ	2004	1	135	5.2	9.19	13.90	4.71
Show		242791	15 38 57 -57 42 19	CVN 52 BK	2004	1	158	5.2	9.19	17.30	8.11
Show		242791	15 38 57 -57 42 19	CVN 52 BL	2004	1	63	5.7	9.19	17.90	8.71
Show		242791	15 38 57 -57 42 19	CVN 52 BM	2004	2	296	5.9	9.19	14.30	5.11
Show		242791	15 38 57 -57 42 19	CVN 52 BN	2004	1	226	6.0	9.19	15.00	5.81
Show		242791	15 38 57 -57 42 19	CVN 52 BO	2004	1	79	6.1	9.19	16.40	7.21
Show		242791	15 38 57 -57 42 19	CVN 52 BP	2004	1	170	6.5	9.19	16.40	7.21
Show		242791	15 38 57 -57 42 19	CVN 52 BQ	2004	1	314	6.8	9.19	16.90	7.71
Show		242791	15 38 57 -57 42 19	CVN 52 BR	2004	1	227	7.2	9.19	16.60	7.41
Show		242791	15 38 57 -57 42 19	CVN 52 BS	2004	1	161	7.6	9.19	16.90	7.71
Show		242791	15 38 57 -57 42 19	CVN 52 BT	2004	1	136	7.9	9.19	13.70	4.51

30-fold system
25 visible stars in this system

OTHER CATALOGS AND DESIGNATIONS

Precise pa	58.8	Precise sep	6.63	Var name	V343 Nor	Constellation	Norma
SAO	242791	HIP	76629	Tycho2	8704-01271-1	Gaia DR2	5882581895219921024
HD	139084	CP	CP-57 7121	Distance	38.54	Distance ly	125.72

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15390-5742	VGT 4	A,Zb	2011	2	59	6.6	5.90		K0V	K	153857.55-574227.3

If you need more information about this double, apply for a data request form to the WDS.