19098-2101 FIN 311 AB (Albaldah)

19^h 09^m 45.83^s -21° 01' 24.7" P.A. 179.00 sep 0.1 mag 3.60,3.60 Sp F2II dist. 156.25 pc (509.69 l.y.)

Coord 2000	19098-2101	Discov num	FIN 311	Comp	AB	Coord arcsec 2000	19 09 45.83 -21 01 24.7
Date first	1936	Date last	1989	Obs	5
Pa first	152	Pa last	178.6	P.A. Now (θ)	178.6°
Sep first	0.1	Sep last	0.126	Sep. Now (ρ)	0.126"
Mag pri	3.60	Mag sec	3.60	delta mag (ΔM)	0	Spectral class	F2II (yellow-white)
Pri motion ra	+000	Sec motion ra
Pri motion dec	-035	Sec motion dec
Notes	N X (See Notes, Dubious double)

Nature of this double is uncertain.

19098-2101 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Albaldah	187756	19 09 46 -21 01 25	FIN 311 AB	1989	5	179	0.1	3.60	3.60	0.00		<===
Show	Pi Sgr	187756	19 09 46 -21 01 25	FIN 311 AB,C	1939	3	136	0.3	3.00	6.00	3.00

Triple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Common name	Albaldah	Var name	NSV11769 Sgr	Constellation	Sagittarius	SAO	187756
HIP	94141	Tycho2	6295-00282-1	Gaia DR2	4082115215097592704	HD	178524
HR	7264	GC	26386	BD	BD-21 5275	Bayer	Pi Sagittarii
Bayer name	Pi Sgr	Flamsteed	41 Sagittarii	Flamsteed name	41 Sgr	FK5	720
Distance	156.25	Distance ly	509.69	Bayer greek	π Sgr

Other names

Al Baldah

Meaning

The name is originally from Arabic: ?????? al-balda ('town'). In the Calendarium of Al Achsasi Al Mouakket, it is designated ??? ?????? nayyir al-baldah, translated into Latin as Lucida Oppidi ('brightest of the town')