01457+5121 ES 1057

Coord 2000	01457+5121		Discov num	ES 1057		Comp			Coord arcsec 2000	01 45 42.00 +51 21 30.5
Date first	1911		Date last	2015		Obs	7
Pa first	5		Pa last	356		P.A. Now (θ)	356°
Sep first	7.9		Sep last	8.0		Sep. Now (ρ)	8"
Mag pri	10.50		Mag sec	14.90		delta mag (ΔM)	4.4		Spectral class
Pri motion ra	+014		Sec motion ra	+005
Pri motion dec	-013		Sec motion dec	+016
Notes

rPM=1.589 This double is not physical.

Precise pa	356		Precise sep	7.99		Constellation	Perseus		Tycho2	3291-00163-1
Gaia DR2	1203183232

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01457+5121	ES 1057		2000	2	357	7.7	10.50	14.90		D	014542.00+512130.5
01457+5121	ES 1057		2002	3	358	7.8	10.50	14.90		D	014542.00+512130.5
01457+5121	ES 1057		2010	4	358	7.3	10.50	14.90			014542.00+512130.5
01457+5121	ES 1057		2015	4	356	8.0	10.50	14.90			014542.00+512130.5

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