12487-0216 ZHN 22

12^h 48^m 41.64^s -02° 15' 38.7" P.A. 219.00 sep 428.8 mag 18.40,20.00 Sp sdK7+WD

Coord 2000	12487-0216	Discov num	ZHN 22	Comp		Coord arcsec 2000	12 48 41.64 -02 15 38.7
Date first	1991	Date last	2015	Obs	3
Pa first	219	Pa last	219	P.A. Now (θ)	219°
Sep first	430.5	Sep last	428.836	Sep. Now (ρ)	428.836"
Mag pri	18.40	Mag sec	20.00	delta mag (ΔM)	1.6	Spectral class	sdK7+WD
Pri motion ra	-116	Sec motion ra	-108
Pri motion dec	-027	Sec motion dec	-020
Notes	V R (Proper motion indicates physical, Red magnitudes)

rPM=0.089 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Virgo

Gaia DR2

3682604190515366528

WDS 12487-0216 ZHN 22 : NOTES

No records found.

DISCOVERER

discov	author
ZHN	Zhang, Z.H., Pinfield, D.J., Day-Jones, A.C., Burningham, B., Jones, H.R.A.,
ZHN	Yu, S., Jenkins, J.S., Han, Z., et al.
ZHN	Zhang, Z.H., Pinfield, D.J., Burningham, B., Jones, H.R.A., Galvez-Ortiz, M.C.,
ZHN	Catalan, S., Smart, R.L., Lepine, S., Clarke, J.R.A., Pavlenko, Ya.V., Murray, D.,
ZHN	MNRAS 434, 1005, 2013

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
12487-0216	ZHN 22		2000	1	219	427.0	18.40	20.00	sdK7+WD		V R	124841.64-021538.7
12487-0216	ZHN 22		2015	2	219	428.8	18.40	20.00	sdK7+WD		V R	124841.64-021538.7

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

WDS 12487-0216 ZHN 22 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12487-0216 ZHN 22 : MEASURES

No records found.

WDS 12487-0216 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 12487-0216 : ALADIN DSS IMAGE @ 12^h 48^m 41.64^s -02° 15' 38.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12487-0216 ZHN 22 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		12487-0216	ZHN 22		219	428.8	1
Show		12503-0236	UC 2413		313	23.1	32
Show		12510-0220	CVR1473		1	4.3	36
Show		12455-0218	BAL 546		81	9.1	47
Show		12481-0126	SLW 775		235	12.7	51
Show		12524-0216	SLW 788		2	9.6	55
Show		12440-0230	CVR1462		106	3.3	73
Show		12445-0119	SKF 38	AB	337	9.5	85
Show		12445-0119	ZUC 11	BC	252	3.2	85
Show		12429-0215	STF1673	AB	92	53.6	87
Show		12429-0215	LDS2888	AC	117	16.9	87
Show		12547-0200	CVR1476		8	3.5	91
Show		12550-0219	SLN 72		13	30.9	95
Show		12423-0224	SLW 761		123	117.8	97
Show		12540-0137	GRV1082		63	12.6	97
Show		12555-0212	SLW 795		72	13.0	102
Show		12420-0156	BAL 545		162	4.3	103
Show		12511-0352	GWP1866		328	22.8	103
Show		12532-0333	CHR 38		155	0.5	103
Show		12435-0105	GOM 15		253	18.4	105
Show		12429-0116	SKF2710		246	1.4	106
Show		12417-0148	OSW 36		144	102.1	108
Show		12453-0353	STF1677		348	16.2	111
Show		12556-0255	GIC9018		345	2.2	111
Show		12414-0156	BAL 544		177	3.4	111
Show		12417-0127	STF1670	BD	90	177.8	117
Show		12417-0127	STF1670	BE	167	260.0	117
Show		12417-0127	STF1670	BF	268	422.0	117
Show	Porrima	12417-0127	STF1670	AB	352	3.4	117
Show	Porrima	12417-0127	STF1670	AC	121	99.4	117
Show	Porrima	12417-0127	STF1670	AD	90	177.6	117
Show	Porrima	12417-0127	STF1670	AE	167	260.4	117
Show	Porrima	12417-0127	STF1670	AF	267	422.3	117
Show		12412-0127	BU 607		301	0.9	123
Show		12566-0249	BRT 443		4	3.6	123
Show		12567-0250	LDS4299		272	76.0	126
Show		12553-0336	BRT 442		202	8.1	128
Show		12407-0302	BAL 220		41	7.0	129
Show		12575-0158	BAL 547		310	16.6	134
Show		12430-0403	LLO 9		3	1.3	138
Show		12509-0428	LDS6270		269	7.9	138
Show		12394-0238	OSW 37		6	32.6	141
Show		12402-0108	GWP1842		32	12.8	145
Show		12518+0005	TOK 671	AB	7	22.8	149
Show		12394-0306	SLW 750		188	94.1	149
Show		12391-0133	HJ 1220		52	6.9	150
Show		12518-0007	SLW 783		169	37.8	150
Show		12492-0450	LDS5759		87	16.7	156
Show		12590-0146	TDS8625		152	0.5	157
Show		12432+0000	BAL1162		303	15.3	160
Show		12438-0441	UC 2392		178	8.4	163

WDS 12487-0216 : COMPONENTS

	A
B	pa=219.0° sep=428.83"

12487-0216 A

Coord arcsec 2000	124841.64-021538.7		Mag	18.4		Spectral class	sdK7		PmRA	-116.00
PmDE	-27.0

12487-0216 B

Coord arcsec 2000	124823.63-022112.0		Mag	20		Spectral class	WD (Wolf-Rayet)		PmRA	-108.00
PmDE	-20.0		Delta magnitude	1.6		Coordinate calculated	yes