04216-1559 LDS 9169

04^h 21^m 43.46^s -16° 00' 00.4" P.A. 143.00 sep 12.9 mag 12.60,17.20 Sp M0.5+DA

Coord 2000	04216-1559	Discov num	LDS9169	Comp		Coord arcsec 2000	04 21 43.46 -16 00 00.4
Date first	1955	Date last	2016	Obs	11
Pa first	145	Pa last	142.9	P.A. Now (θ)	142.9°
Sep first	12.5	Sep last	12.917	Sep. Now (ρ)	12.917"
Mag pri	12.60	Mag sec	17.20	delta mag (ΔM)	4.6	Spectral class	M0.5+DA (red/white dwarf)
Pri motion ra	+267	Sec motion ra	+272
Pri motion dec	-171	Sec motion dec	-170
Notes	N (See Notes)

rPM=0.016 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Eridanus

Gaia DR2

3175193288128400768

WDS 04216-1559 LDS 9169 : NOTES

discov_num	notes	refcode
LDS9169	Old LDS6169.
	NLTT 13109/13110	Chm2004

REFERENCES

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)

DISCOVERER

idgroup	discov	author
1	LDS	Luyten p.m. catalog (from additional DD list)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04216-1559	LDS9169		2000	3	145	12.8	12.63	17.23		N D	042143.46-160000.4
04216-1559	LDS9169		2005	7	144	13.0	12.60	17.20	M0.5+DA	N D	042143.46-160000.4
04216-1559	LDS9169		2015	8	143	12.9	12.60	17.20	M0.5+DA	N	042143.46-160000.4
04216-1559	LDS9169		2016	10	143	12.9	12.60	17.20	M0.5+DA	N	042143.46-160000.4

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

WDS 04216-1559 LDS 9169 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04216-1559 LDS 9169 : MEASURES

No records found.

WDS 04216-1559 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 04216-1559 : ALADIN DSS IMAGE @ 04^h 21^m 43.46^s -16° 00' 00.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04216-1559 LDS 9169 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		04216-1559	LDS9169		143	12.9
Show		04198-1602	RST3397		334	0.6	29
Show		04202-1626	HU 438	AB	162	4.2	35
Show		04212-1656	TDS2831		236	0.8	57
Show		04217-1658	RAO 545		55	0.4	58
Show		04196-1510	HU 437		256	0.7	59
Show		04256-1625	SKF2468		275	149.0	61
Show		04174-1648	HJ 3633		11	33.3	80
Show		04274-1548	DEA 12		207	38.8	83
Show		04155-1604	RST3396		219	1.0	87
Show		04181-1448	LDS9166		271	11.4	88
Show		04160-1643	GWP 572		174	358.9	93
Show		04186-1725	TOI 427		153	2.6	97
Show		04287-1535	TDS2865		267	0.5	105
Show		04275-1707	HU 440		316	1.8	107
Show		04207-1413	STF 532		214	19.0	108
Show		04142-1633	HJ 3629		272	14.6	114
Show		04150-1457	GWP 570		196	265.9	116
Show		04190-1751	HDS 550		1	0.8	118
Show		04218-1804	ARA 325		34	6.9	124
Show		04207-1806	ARA 324		102	6.6	127
Show		04156-1735	GWP 571		151	90.0	130
Show		04240-1805	HJ 3647	BC	2	36.6	130
Show		04240-1805	HJ 3647	AB	259	29.8	130
Show		04240-1805	HJ 3647	AC	317	41.8	130
Show		04286-1728	ARA 153		35	10.0	132
Show		04307-1627	HJ 3653		157	39.6	133
Show		04290-1427	RST3398		57	1.1	141
Show		04314-1544	GAL 139		269	7.6	143
Show		04244-1337	UC 1162		37	18.7	149
Show		04283-1400	GAL 371		186	19.9	155
Show		04134-1742	GWP 563		296	24.9	157
Show		04302-1747	B 1937		120	0.2	163
Show		04174-1328	TDS2809		141	2.3	165
Show		04330-1633	CRI 7	AB	154	37.3	165
Show		04330-1633	CRI 7	BC	163	22.4	166
Show		04330-1633	CRI 7	Ba,Bb	356	0.1	166
Show		04290-1353	TOB 368	BC	47	5.0	168
Show		04290-1353	HJ 3649	AB	204	17.8	168
Show		04104-1642	GWP 559		71	23.8	169
Show		04111-1446	CVR1737		189	108.7	171
Show		04290-1820	GWP 588		3	108.4	175
Show		04102-1454	TDS2768		120	1.5	179
Show		04097-1653	A 2914		178	1.6	182
Show		04091-1624	SKF 950		70	44.3	183
Show		04307-1817	GWP 594		310	18.0	188
Show		04137-1832	GWP 564		38	30.9	191
Show		04274-1855	STN 7		185	4.8	193
Show		04123-1820	RSS 71		176	10.8	195
Show		04353-1607	CRC 47		132	7.9	196
Show		04226-1916	B 1936		72	2.6	197

WDS 04216-1559 : COMPONENTS

	A
B	pa=144.0° sep=12.74"

04216-1559 A

Componente originario normalizzato	AB		Coord arcsec 2000	042143.46-160000.4		Mag	12.6		Spectral class	M0.5 (red)
PmRA	267.00		PmDE	-171.0

04216-1559 B

Componente originario normalizzato	AB		Coord arcsec 2000	042143.98-160010.7		Mag	17.2		Spectral class	DA (white dwarf)
PmRA	272.00		PmDE	-170.0		Calc delta mag	4.6		Calc coord	yes