18186-1348 SNA 87 HI

Coord 2000	18186-1348		Discov num	SNA  87		Comp	HI		Coord arcsec 2000	18 18 36.03 -13 47 36.4
Date first	2012		Date last	2012		Obs	1
Pa first	297		Pa last	297.2		P.A. Now (θ)	297.2°
Sep first	2.7		Sep last	2.74		Sep. Now (ρ)	2.74"
Mag pri	7.28		Mag sec	13.10		delta mag (ΔM)	5.82		Spectral class	O6.5V (blue)
Pri motion ra	+001		Sec motion ra
Pri motion dec	-001		Sec motion dec
Notes	N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		161303	18 18 36 -13 48 02	DCH 26 AB	2018	7	306	0.2	6.80	8.37	1.57
Show			18 18 36 -13 48 02	SNA 88 AC	2012	1	5	3.7	6.57	13.71	7.14
Show			18 18 36 -13 48 02	SNA 88 AD	2017	2	246	3.5	6.57	12.15	5.58
Show			18 18 36 -13 48 02	SNA 88 AE	2012	1	177	3.8	6.57	14.15	7.58
Show			18 18 36 -13 48 02	SNA 88 AF	2012	1	126	5.9	6.57	12.63	6.06
Show			18 18 36 -13 48 02	SNA 88 AG	2017	3	305	6.4	6.57	12.10	5.53
Show			18 18 36 -13 47 36	SNA 87 Ha,Hb	2012	1	49	0.0	7.30	11.00	3.70
Show			18 18 36 -13 47 36	SNA 87 HI	2012	1	297	2.7	7.28	13.10	5.82		<===
Show			18 18 36 -13 47 36	SNA 87 HJ	2017	3	139	3.4	7.28	11.41	4.13
Show			18 18 36 -13 47 36	SNA 87 HK	2012	1	68	5.8	7.28	13.86	6.58

12-fold system
11 estimated visually detectable stars in this system

Constellation

Serpens

Gaia DR2

4146599166888812032