21040+1219 JNN 127

21^h 03^m 59.91^s +12° 18' 56.9" P.A. 70.00 sep 0.8 mag 16.90,17.00 Sp M3.5+M3.5

Coord 2000	21040+1219	Discov num	JNN 127	Comp		Coord arcsec 2000	21 03 59.91 +12 18 56.9
Date first	2007	Date last	2009	Obs	4
Pa first	69	Pa last	70	P.A. Now (θ)	70°
Sep first	0.8	Sep last	0.8	Sep. Now (ρ)	0.8"
Mag pri	16.90	Mag sec	17.00	delta mag (ΔM)	0.1	Spectral class	M3.5+M3.5 (red/red)
Pri motion ra	+028	Sec motion ra
Pri motion dec	-046	Sec motion dec
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

Precise sep

0.836

Constellation

Equuleus

Gaia DR2

1757365446312917376

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21040+1219	JNN 127		2009	4	70	0.8	16.90	17.00	M3.5 M3.5		210359.91+121856.9

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