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20113-0008
S 735

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20113-0008 S 735

20^h 11^m 18.86^s -00° 07' 35.3" P.A. 211.00 sep 56.4 mag 7.16,7.98 Sp F2IV+A0

Coord 2000	20113-0008		Discov num	S 735		Comp			Coord arcsec 2000	20 11 18.86 -00 07 35.3
Date first	1783		Date last	2019		Obs	40
Pa first	204		Pa last	211		P.A. Now (θ)	211°
Sep first	47.1		Sep last	56.4		Sep. Now (ρ)	56.4"
Mag pri	7.16		Mag sec	7.98		delta mag (ΔM)	0.82		Spectral class	F2IV+A0 (yellow-white/white)
Pri motion ra	+025		Sec motion ra	-014
Pri motion dec	-028		Sec motion dec	-010
Notes	N Y (See Notes, Parallax indicates components are non-physical)

rPM=1.144

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	211		Precise sep	56.4		Constellation	Aquila		SAO	144151
Tycho2	5161-02679-1		HD	191709

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20113-0008	S 735		2004	30	210	55.0	7.16	7.98	F2IV A0	NYD	201118.86-000735.3
20113-0008	S 735		2008	31	210	55.8	7.16	7.98	F2IV A0	NYD	201118.86-000735.3
20113-0008	S 735		2011	32	210	56.1	7.16	7.98	F2IV A0	NYD	201118.86-000735.3
20113-0008	S 735		2012	34	211	55.3	7.16	7.98	F2IV A0	NY	201118.86-000735.3
20113-0008	S 735		2015	35	211	55.3	7.16	7.98	F2IV+A0	NY	201118.86-000735.3
20113-0008	S 735		2018	39	211	56.0	7.16	7.98	F2IV+A0	NY	201118.86-000735.3
20113-0008	S 735		2019	40	211	56.4	7.16	7.98	F2IV+A0	NY	201118.86-000735.3

If you need more information about this double, apply for a data request form to the WDS.