12381+2257 CVR 1455

12^h 38^m 05.21^s +22° 57' 06.2" P.A. 345.00 sep 3.3 mag 19.00,19.40 Sp M2+M2

Coord 2000	12381+2257	Discov num	CVR1455	Comp		Coord arcsec 2000	12 38 05.21 +22 57 06.2
Date first	1999	Date last	2016	Obs	4
Pa first	340	Pa last	344.7	P.A. Now (θ)	344.7°
Sep first	4.0	Sep last	3.259	Sep. Now (ρ)	3.259"
Mag pri	19.00	Mag sec	19.40	delta mag (ΔM)	0.4	Spectral class	M2+M2 (red/red)
Pri motion ra	-048	Sec motion ra
Pri motion dec	+037	Sec motion dec
Notes	R (Red magnitudes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Coma Berenices

Gaia DR2

3955813760362652800

WDS 12381+2257 CVR 1455 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Cvr2011	Eu -	Chivers, J.	2011JDSO....7..209C
Cvr2011		JDSO 7, 209, 2011
Cvr2014	Es u	Chivers, J.	2014JDSO...10...62C
Cvr2014		JDSO 10, 62, 2014
Cvr2014b	Es u	Chivers, J.	2014JDSO...10..256C
Cvr2014b		JDSO 10, 256, 2014
Cvr2014b		(Note: Coordinates in main table are of secondary, not primary. Corrected in WDS)
Cvr2014c	Eu -	Chivers, J.	2014JDSO...10..300C
Cvr2014c		JDSO 10, 300, 2014
Cvr2015a	Eu u	Chivers, J.	2015JDSO...11...42C
Cvr2015a	+Es	JDSO 11, 42, 2015

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12381+2257	CVR1455		2005	1	344	3.2	19.00	19.40	M2+M2	R	123805.21+225706.2
12381+2257	CVR1455		2015	3	345	3.3	19.00	19.40	M2+M2	R	123805.21+225706.2
12381+2257	CVR1455		2016	4	345	3.3	19.00	19.40	M2+M2	R	123805.21+225706.2

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

WDS 12381+2257 CVR 1455 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12381+2257 CVR 1455 : MEASURES

No records found.

WDS 12381+2257 : VIRTUAL EYEPIECE

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WDS 12381+2257 : ALADIN DSS IMAGE @ 12^h 38^m 05.21^s +22° 57' 06.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12381+2257 CVR 1455 : 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		12381+2257	CVR1455		345	3.3	1
Show		12382+2304	LDS4239		111	185.5	7
Show		12390+2240	KUI 60		228	34.2	22
Show		12387+2318	GUR 32		142	0.8	23
Show		12374+2322	COU 392		335	2.1	27
Show		12367+2338	A 562		7	3.7	46
Show		12391+2344	POU3129	BC	59	4.8	49
Show		12391+2344	POU3129	AB	137	13.3	49
Show		12406+2223	LDS4246		253	116.7	49
Show		12349+2238	WRH 12		8	0.4	49
Show		12328+2301	AG 179		142	1.0	74
Show		12330+2324	POU3128		52	10.4	76
Show		12403+2133	AZC 76		98	14.9	90
Show		12403+2131	LDS 939		91	83.1	92
Show		12415+2136	LDS4249		30	6.6	93
Show		12380+2431	SLW 748		91	13.9	94
Show		12358+2428	LDS4233		22	169.0	97
Show		12424+2413	SLW 762		141	24.2	97
Show		12435+2400	KPP3877		270	3.1	97
Show		12402+2430	POU3130		104	11.5	98
Show		12418+2132	SLW 760		183	25.7	100
Show		12454+2252	SLW 768		153	41.9	102
Show		12444+2200	HDS1783		112	0.3	105
Show		12372+2112	STF1663		65	0.5	106
Show		12363+2113	FMR 108		311	37.1	107
Show		12326+2414	SKF1015		302	28.0	109
Show		12316+2405	SKF1478	BD	202	13.7	113
Show		12316+2405	SDK 90	AB	58	32.5	113
Show		12316+2405	SDK 90	AC	179	38.3	113
Show		12375+2453	CVR1454		341	3.3	116
Show		12301+2223	COU2707		341	14.4	117
Show		12460+2340	COU 394		107	0.8	118
Show		12346+2447	SKF1850		189	9.5	120
Show		12375+2457	KPP1714		106	13.2	121
Show		12431+2117	LDS5758		137	12.9	122
Show		12451+2143	GRV 858		114	62.4	123
Show		12303+2157	HJL1069		312	115.4	124
Show		12339+2448	UC 2358		258	41.7	126
Show		12471+2237	SHY 612		23	999.9	127
Show		12341+2453	SDK 95	AB	343	5.4	129
Show		12341+2453	SKF1480	AC	126	2.3	129
Show		12401+2049	OSO 47	AB	35	14.7	132
Show		12401+2049	OSO 47	AC	109	112.6	132
Show		12386+2043	HDS1771		110	0.3	135
Show		12315+2437	STF1650		178	16.6	135
Show		12440+2110	STT 253		238	6.5	135
Show		12325+2106	STF1652		178	6.1	136
Show		12465+2409	ENG 48		15	184.5	137
Show		12281+2309	LEP 55		233	54.4	139
Show		12280+2241	POU3127		152	7.4	141
Show		12481+2204	AZC 77		329	28.3	150

WDS 12381+2257 : COMPONENTS

	A
B	pa=345.9° sep=3.24"

12381+2257 A

Componente originario normalizzato	AB		Coord arcsec 2000	123805.21+225706.2		Mag	19		Spectral class	M2 (red)
PmRA	-48.00		PmDE	37.0

12381+2257 B

Componente originario normalizzato	AB		Coord arcsec 2000	123805.15+225709.3		Mag	19.4		Spectral class	M2 (red)
Calc delta mag	0.4		Calc coord	yes