15365+1607 UC 3033AB (Tau5 Ser)

Coord 2000	15365+1607		Discov num	UC 3033		Comp	AB		Coord arcsec 2000	15 36 29.24 +16 07 08.7
Date first	1999		Date last	2016		Obs	8
Pa first	63		Pa last	62		P.A. Now (θ)	62°
Sep first	35.5		Sep last	35.5		Sep. Now (ρ)	35.5"
Mag pri	7.90		Mag sec	13.80		delta mag (ΔM)	5.9		Spectral class	F2V (yellow-white)
Pri motion ra	+072		Sec motion ra	+074
Pri motion dec	-006		Sec motion dec	+010
Notes	V (Proper motion indicates physical)

rPM=0.216 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		101642	15 36 29 +16 07 09	DSG 18 Aa,Ab	2015	12	320	1.0	8.50	8.90	0.40
Show	Tau5 Ser	101642	15 36 29 +16 07 09	UC 3033 AB	2016	8	62	35.5	7.90	13.80	5.90		<===

Triple system
2 visible stars in this system

Precise pa	62.4		Precise sep	35.525		Name	Tau5 Ser		Constellation	Serpens
SAO	101642		HIP	76424		Tycho2	1494-01862-1		HD	139225
HR	5804		GC	20985		BD	BD+16 2807		Bayer	Tau 5 Serpentis
Bayer name	Tau5 Ser		Flamsteed	18 Serpentis		Flamsteed name	18 Ser		Distance	52.06
Distance ly	169.82

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15365+1607	UC 3033	AB	2015	4	62	35.5	7.90	13.80	F2V	V	153629.24+160708.7

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