17420+2127 STF 2197

17^h 41^m 49.76^s +21° 25' 54.7" P.A. 357.00 sep 7.9 mag 10.64,10.99 Sp K0

Coord 2000	17420+2127	Discov num	STF2197	Comp		Coord arcsec 2000	17 41 49.76 +21 25 54.7
Date first	1829	Date last	2019	Obs	34
Pa first	359	Pa last	356.8	P.A. Now (θ)	356.8°
Sep first	8.1	Sep last	7.92	Sep. Now (ρ)	7.92"
Mag pri	10.64	Mag sec	10.99	delta mag (ΔM)	0.35	Spectral class	K0 (yellow-orange)
Pri motion ra	+013	Sec motion ra	+014
Pri motion dec	-002	Sec motion dec	-002
Notes	N T (See Notes, Parallax indicates physical)

rPM=0.071 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Hercules		Tycho2	1563-02129-1		Gaia DR2	4556050974880737792		ADS	10727
DM	BD+21 3191