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Doubles in session

Current system

19435+1008
TDT1676

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

19435+1008 TDT1676

19^h 43^m 28.85^s +10° 07' 36.8" P.A. 197.00 sep 1.6 mag 11.74,12.42

Coord 2000	19435+1008		Discov num	TDT1676		Comp			Coord arcsec 2000	19 43 28.85 +10 07 36.8
Date first	1991		Date last	2015		Obs	3
Pa first	201		Pa last	197		P.A. Now (θ)	197°
Sep first	1.6		Sep last	1.6		Sep. Now (ρ)	1.6"
Mag pri	11.74		Mag sec	12.42		delta mag (ΔM)	0.68		Spectral class
Pri motion ra	+005		Sec motion ra	+005
Pri motion dec	+007		Sec motion dec	+007
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	197.2		Precise sep	1.565		Constellation	Aquila		Tycho2	1061-01271-1
Gaia DR2	4302671337765909120		HD	355783

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19435+1008	TDT1676		1991	1	201	1.6	11.74	12.42			194328.85+100736.8
19435+1008	TDT1676		2015	2	197	1.6	11.74	12.42			194328.85+100736.8

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