15210+0043 BU 32 AB (6 Ser)

15^h 21^m 02.00^s +00° 42' 55.2" P.A. 23.00 sep 3.4 mag 5.53,8.78 Sp K2III dist. 73.37 pc (239.33 l.y.)

Coord 2000	15210+0043		Discov num	BU 32		Comp	AB		Coord arcsec 2000	15 21 02.00 +00 42 55.2
Date first	1872		Date last	2019		Obs	58
Pa first	30		Pa last	22.5		P.A. Now (θ)	22.5°
Sep first	3.0		Sep last	3.446		Sep. Now (ρ)	3.446"
Mag pri	5.53		Mag sec	8.78		delta mag (ΔM)	3.25		Spectral class	K2III (yellow-orange)
Pri motion ra	-041		Sec motion ra	-043
Pri motion dec	-105		Sec motion dec	-104
Notes	N (See Notes)

rPM=0.02 (< 0.3, Physical double)

This double is physical.

15210+0043 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	6 Ser	120955	15 21 02 +00 42 55	BU 32 AB	2019	58	23	3.4	5.53	8.78	3.25		<===
Show		120955	15 21 02 +00 42 55	GWP 2515 AC	2015	3	139	75.8	5.40	17.80	12.40

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	6 Ser		Var name	NSV7037 Ser		Constellation	Serpens		SAO	120955
HIP	75119		Tycho2	0336-01028-1		Gaia DR2	4420381822807987328		HD	136514
HR	5710		GC	20637		ADS	9596		BD	BD+01 3067
Flamsteed	6 Serpentis		Flamsteed name	6 Ser		Distance	73.37		Distance ly	239.33