01388-5327 DUN   4

Coord 2000	01388-5327		Discov num	DUN   4		Comp			Coord arcsec 2000	01 38 48.55 -53 26 20.0
Date first	1826		Date last	2020		Obs	37
Pa first	107		Pa last	105		P.A. Now (θ)	105°
Sep first	15.8		Sep last	10.2		Sep. Now (ρ)	10.2"
Mag pri	7.15		Mag sec	8.49		delta mag (ΔM)	1.34		Spectral class	F3IV+F8IV (yellow-white/yellow-white)
Pri motion ra	-007		Sec motion ra	-009
Pri motion dec	-048		Sec motion dec	-048
Notes	T (Parallax indicates physical)

Visually invisible, K-band or other infrared star rPM=0.041 (< 0.3, Physical double) This double is physical.

Precise pa	105.1		Precise sep	10.204		Constellation	Eridanus		SAO	232483
HIP	7673		Tycho2	8475-01389-1		Gaia DR2	37375316992		HD	10241
HR	479		CP	CP-54 358		Distance	89.53		Distance ly	292.05

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01388-5327	DUN 4		1999	30	105	10.3	7.15	8.49	F5IV-V	ZD	013848.55-532620.0
01388-5327	DUN 4		2010	31	104	10.5	7.15	8.49	F5IV-V	ZD	013848.55-532620.0
01388-5327	DUN 4		2013	33	104	10.5	7.15	8.49	F5IV-V	Z	013848.55-532620.0
01388-5327	DUN 4		2016	34	105	10.3	7.15	8.49	F3IV+F8IV	Z	013848.55-532620.0
01388-5327	DUN 4		2017	36	105	10.3	7.15	8.49	F3IV+F8IV	Z	013848.55-532620.0
01388-5327	DUN 4		2020	37	105	10.2	7.15	8.49	F3IV+F8IV	T	013848.55-532620.0

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