12054+2803 TDS 8221

12^h 05^m 23.01^s +28° 02' 49.9" P.A. 229.00 sep 2.2 mag 11.91,12.38 Sp G2

Coord 2000	12054+2803	Discov num	TDS8221	Comp		Coord arcsec 2000	12 05 23.01 +28 02 49.9
Date first	1991	Date last	1991	Obs	1
Pa first	229	Pa last	229.3	P.A. Now (θ)	229.3°
Sep first	2.2	Sep last	2.23	Sep. Now (ρ)	2.23"
Mag pri	11.91	Mag sec	12.38	delta mag (ΔM)	0.47	Spectral class	G2 (yellow)
Pri motion ra	-001	Sec motion ra	-001
Pri motion dec	-018	Sec motion dec	-018
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Coma Berenices

Tycho2

1988-00535-1

Gaia DR2

4007044065845637760

WDS 12054+2803 TDS 8221 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (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
12054+2803	TDS8221		1991	1	229	2.2	11.91	12.38			120523.01+280249.9

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WDS 12054+2803 TDS 8221 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12054+2803 TDS 8221 : MEASURES

No records found.

WDS 12054+2803 : VIRTUAL EYEPIECE

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WDS 12054+2803 : ALADIN DSS IMAGE @ 12^h 05^m 23.01^s +28° 02' 49.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12054+2803 TDS 8221 : 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		12054+2803	TDS8221		229	2.2
Show		12070+2739	CVR1406		310	5.0	32
Show		12079+2808	LDS1277		77	3.8	34
Show		12062+2726	SDK 11		15	5.0	39
Show		12073+2732	TDS8229		279	0.5	41
Show		12028+2841	HJ 514		86	20.9	52
Show		12097+2818	CLZ 54		194	13.5	60
Show		12033+2902	LDS1275	AB	4	2.4	65
Show		12033+2902	LDS1275	AC	299	34.5	65
Show		12076+2902	SLW 685		142	127.7	67
Show		12029+2700	HJ 515		152	35.4	71
Show		12046+2651	SKF2539		8	82.2	73
Show		12062+2924	COU 593		120	0.2	82
Show		12003+2714	TDS8158		180	2.0	84
Show		12052+2928	SDK 9		129	4.0	85
Show		12007+2905	TDS8162		12	0.5	88
Show		11588+2828	CVR 637		114	10.1	91
Show		12117+2724	LDS1283		224	2.2	92
Show		12018+2643	GRV 848		215	26.5	92
Show		12120+2832	CHR 136	Aa,Ab	176	0.2	93
Show		12120+2832	LDS1285	AB	165	143.5	93
Show		12120+2832	RBR 41	Aa,Ac	57	1.4	93
Show		12090+2924	SKF1472		174	1.4	95
Show		12059+2628	HDS1707	AB	107	0.2	96
Show		12059+2628	HDS1707	Ba,Bb	135	0.1	96
Show		12084+2638	LDS1279		217	4.2	96
Show		11575+2818	TDS8142		296	0.6	106
Show		11579+2724	A 561		9	2.2	107
Show		11591+2643	TDS8150		281	0.7	116
Show		11578+2902	KPP1949		202	15.7	116
Show		11569+2732	CVR 635		44	18.0	117
Show		11590+2642	UC 2243		169	44.4	118
Show		12143+2752	KPP1326		347	10.0	119
Show		12143+2749	HJL1067		348	179.5	120
Show		11571+2855	TDS8136		310	3.8	122
Show		11560+2757	GRV 844		331	71.0	125
Show		11587+2636	TDS8145		274	0.6	125
Show		12140+2858	GUR 34		132	0.5	126
Show		12145+2725	LDS1286		333	28.3	127
Show		12008+2612	CBL 367		251	21.8	127
Show		11561+2906	TDS8122		110	0.5	138
Show		12001+2602	HJ 513		253	21.4	140
Show		12033+2543	LDS4171		284	2.5	144
Show		12127+2618	UC 2293		343	16.9	144
Show		11571+2939	SKF2580		283	5.1	146
Show		12117+3011	KPP3251		152	2.3	153
Show		12093+3031	SKF2585		44	7.9	157
Show		11532+2818	AZC 72		233	12.9	162
Show		12080+2522	GRV 851		251	27.1	165
Show		12133+3013	SKF 65		177	7.6	167
Show		12180+2751	CBL 378		331	37.0	168

WDS 12054+2803 : COMPONENTS

	A
B	pa=225.7° sep=2.08"

12054+2803 A

Componente originario normalizzato	AB		Coord arcsec 2000	120523.01+280249.9		Mag	11.91		Spectral class	G2 (yellow)
PmRA	-1.00		PmDE	-18.0		Tycho2	1988-00535-1

Tycho2

Tycho2	1988-00535-1	Pflag		RAmdeg	181.34587981	DEmdeg	28.04717630
PmRA	-1.3	PmDE	-17.7	E RAmdeg	67	E DEmdeg	86
E pmRA	2.5	E pmDE	2.6	EpRAm	1983.54	EpDEm	1977.60
Num	3	Q RAmdeg	0.3	Q DEmdeg	0.5	Q pmRA	0.3
Q pmDE	0.5	BTmag	12.692	E BTmag	0.212	VTmag	11.938
E VTmag	0.148	Prox	999	TYC		HIP
CCDM		RAdeg	181.34588333	DEdeg	28.04721722	EpRA 1990	1.80
EpDE 1990	1.69	E RAdeg	69.8	E DEdeg	93.0	Posflg
Corr	0.0

12054+2803 B

Componente originario normalizzato	AB		Coord arcsec 2000	120522.90+280248.4		Mag	12.38		PmRA	-1.00
PmDE	-18.0		Calc delta mag	0.47		Calc coord	yes