18000+2535 HJ 1310 BC

17^h 59^m 55.99^s +25° 34' 48.5" P.A. 357.00 sep 4.0 mag 11.01,12.50

Coord 2000	18000+2535		Discov num	HJ 1310		Comp	BC		Coord arcsec 2000	17 59 55.99 +25 34 48.5
Date first	1905		Date last	2015		Obs	11
Pa first	0		Pa last	357.3		P.A. Now (θ)	357.3°
Sep first	3.7		Sep last	4.02		Sep. Now (ρ)	4.02"
Mag pri	11.01		Mag sec	12.50		delta mag (ΔM)	1.49		Spectral class
Pri motion ra	+022		Sec motion ra
Pri motion dec	-003		Sec motion dec
Notes

Nature of this double is uncertain.

18000+2535 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			17 59 55 +25 34 41	HJ 1310 AB	2017	18	42	10.5	10.24	11.01	0.77
Show			17 59 55 +25 34 41	HJ 1310 AC	2015	9	31	13.4	10.24	12.50	2.26
Show			17 59 56 +25 34 48	HJ 1310 BC	2015	11	357	4.0	11.01	12.50	1.49		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hercules

Gaia DR2

4582526802559867648