00112+4419 ABH   1AD

Coord 2000	00112+4419		Discov num	ABH   1		Comp	AD		Coord arcsec 2000	00 11 11.53 +44 18 57.0
Date first	1893		Date last	2020		Obs	11
Pa first	206		Pa last	207		P.A. Now (θ)	207°
Sep first	77.4		Sep last	79.2		Sep. Now (ρ)	79.2"
Mag pri	9.31		Mag sec	12.98		delta mag (ΔM)	3.67		Spectral class	A5III (white)
Pri motion ra	+005		Sec motion ra	-008
Pri motion dec	-005		Sec motion dec	-013
Notes	U (Proper motion indicates non-physical)

rPM=1 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		36139	00 11 12 +44 18 57	ES 1406 AB	2020	18	331	9.8	9.31	11.29	1.98
Show		36139	00 11 12 +44 18 57	ABH 1 AD	2020	11	207	79.2	9.31	12.98	3.67		<===
Show		36139	00 11 11 +44 19 06	ES 1406 BC	2020	10	349	5.4	11.29	16.10	4.81

Quadruple system
4 visible stars in this system

Precise pa	207.2		Precise sep	79.2		Constellation	Hydra		SAO	36139
Tycho2	2794-01263-1		Gaia DR2	386325921661433984		HD	670

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00112+4419	ABH 1	AD	1998	5	207	79.0	9.31	12.98		D	001111.53+441857.0
00112+4419	ABH 1	AD	2002	6	207	79.0	9.31	12.98		UD	001111.53+441857.0
00112+4419	ABH 1	AD	2015	7	207	79.1	9.31	12.98	A5III	U	001111.53+441857.0

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