21455+2156 AG 276

21^h 45^m 30.71^s +21° 56' 23.8" P.A. 1.00 sep 2.0 mag 9.62,9.99 Sp F8

Coord 2000	21455+2156	Discov num	AG 276	Comp		Coord arcsec 2000	21 45 30.71 +21 56 23.8
Date first	1901	Date last	2016	Obs	34
Pa first	357	Pa last	1.3	P.A. Now (θ)	1.3°
Sep first	2.1	Sep last	1.97	Sep. Now (ρ)	1.97"
Mag pri	9.62	Mag sec	9.99	delta mag (ΔM)	0.37	Spectral class	F8 (yellow-white)
Pri motion ra	+018	Sec motion ra	+019
Pri motion dec	+005	Sec motion dec	+004
Notes	V (Proper motion indicates physical)

rPM=0.073 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Tycho2

1678-01281-1

Gaia DR2

1793366244439672448

ADS

15291

WDS 21455+2156 AG 276 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
AG	T	Astronomische Gesellschaft (see also ref codes KR and WFD)
AG		(Mean aperture 8in given in catalog for all AG_ codes)
AG_1903A	T j	AG - Leipzig	1903LicOB...2..115H
AG_1903A		cited by Hussey (Lick Obs. Bull. 2, 115, 1903)
AG_1906A	T -	AG - Leipzig	1906QB821.B972.....
AG_1906A	+Ma	cited in BDS (Burnham Double Star Cat.), 1906
AG_1906B	T -	AG - Leipzig	1906MmRAS..56....1L
AG_1906B		cited by Lewis (MemRAS 56, 1, 1906)
AG_1906C	T -	AG - Lund	1906QB821.B972.....
AG_1906C		cited in BDS (Burnham Double Star Cat.), 1906
AG_1906D	T -	AG - Strasbourg	1906QB821.B972.....
AG_1906D		cited by Burnham (Burnham Double Star Cat.), 1906
AG_1913A	T -	AG - Albany	1913QB811.B8.......
AG_1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913B	T -	AG - Berlin	1913QB811.B8.......
AG_1913B		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913C	T -	AG - Bonn	1913QB811.B8.......
AG_1913C		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913D	T -	AG - Cambridge, England	1913QB811.B8.......
AG_1913D		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913E	T -	AG - Christiania	1913QB811.B8.......
AG_1913E		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913F	T -	AG - Harvard	1913QB811.B8.......
AG_1913F		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913G	T -	AG - Helsingfors	1913QB811.B8.......
AG_1913G		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913H	T -	AG - Leiden	1913QB811.B8.......
AG_1913H		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913I	T -	AG - Leipzig	1913QB811.B8.......
AG_1913I		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913J	T -	AG - Lund	1913QB811.B8.......
AG_1913J		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913K	T -	AG - Strasbourg	1913QB811.B8.......
AG_1913K		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913L	T -	AG - Wien-Ottakring	1913QB811.B8.......
AG_1913L		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913M	T -	AG - Oxford	1913QB811.B8.......
AG_1913M		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1932A	T -	AG - Leipzig	1932QB821.A43......
AG_1932A		cited in ADS (Aitken Double Star Cat.), 1932
AG_1932B	T -	AG - Berlin	1932QB821.A43......
AG_1932B		cited in ADS (Aitken Double Star Cat.), 1932
AG_1932C	T -	AG - Helsingfors	1932QB821.A43......
AG_1932C		cited in ADS (Aitken Double Star Cat.), 1932
AG_1932D	T -	AG - Bonn	1932QB821.A43......
AG_1932D		cited in ADS (Aitken Double Star Cat.), 1932
AG_1932E	T -	AG - Lund	1932QB821.A43......
AG_1932E		cited in ADS (Aitken Double Star Cat.), 1932
AG_1932F	T -	AG - Cambridge, England	1932QB821.A43......
AG_1932F		cited in ADS (Aitken Double Star Cat.), 1932
AG_1932G	T -	AG - Oxford	1932QB821.A43......
AG_1932G		cited in ADS (Aitken Double Star Cat.), 1932
AG_2002A	T -	AG	2002yCat.1275....0D
AG_2002A		cited in CCDM

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21455+2156	AG 276		2000	29	1	1.9	9.62	9.99	F8		214530.71+215623.8
21455+2156	AG 276		2008	32	2	1.9	9.62	9.99	F8		214530.71+215623.8
21455+2156	AG 276		2013	31	3	1.9	9.62	9.99	F8		214530.71+215623.8
21455+2156	AG 276		2016	32	2	2.0	9.62	9.99	F8		214530.71+215623.8

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

WDS 21455+2156 AG 276 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21455+2156 AG 276 : MEASURES

No records found.

WDS 21455+2156 : VIRTUAL EYEPIECE

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

WDS 21455+2156 : ALADIN DSS IMAGE @ 21^h 45^m 30.71^s +21° 56' 23.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21455+2156 AG 276 : 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		21455+2156	AG 276		1	2.0
Show		21458+2155	HU 1656		305	2.2	6
Show		21465+2210	HO 465	BC	80	4.9	19
Show		21465+2210	HDS3101	Aa,Ab	22	0.1	20
Show		21465+2210	HO 465	AB	246	44.5	20
Show		21467+2209	GMC 24		265	6.9	21
Show		21434+2147	COU 536		227	1.0	31
Show		21473+2134	GRV 505		327	45.5	34
Show		21431+2157	BRT2499		206	4.8	34
Show		21429+2152	HJ 1683	AB	169	12.6	37
Show		21429+2152	HJ 1683	AC	315	27.3	37
Show		21429+2152	ABH 150	AD	28	75.5	37
Show		21424+2140	GRV 495		146	33.8	46
Show		21461+2111	AG 277		62	2.7	46
Show		21487+2144	BRT2500		243	4.6	48
Show		21495+2202	COU 135		302	9.2	56
Show		21457+2100	UC 4553		184	63.7	57
Show		21500+2157	TDT3184		171	2.6	63
Show		21427+2102	J 614		307	2.0	66
Show		21481+2100	HU 378		298	0.2	67
Show		21408+2140	LDS4903		100	81.0	68
Show		21423+2252	AZC 114		162	16.8	71
Show		21506+2216	HO 467	AB	221	2.6	74
Show		21506+2216	HO 467	AC	334	41.8	74
Show		21433+2046	J 852		92	4.2	75
Show		21417+2100	UC 4531		213	69.8	78
Show		21501+2242	TDT3185		202	0.6	79
Show		21492+2256	LDS4910		143	35.7	79
Show		21432+2312	J 3144	AB	348	3.4	84
Show		21432+2312	J 3144	AC	129	9.7	84
Show		21517+2134	BRT2501		324	5.2	89
Show		21453+2325	POU5484		331	14.6	89
Show		21436+2324	POU5465		242	17.0	93
Show		21504+2303	J 3147	AB	219	5.1	95
Show		21504+2303	DAM 238	AC	37	5.0	95
Show		21497+2039	TDT3182		210	1.9	97
Show		21477+2330	CVR 921		297	24.3	98
Show		21508+2308	DAM 239		328	9.5	103
Show		21397+2041	GMC 23		342	10.5	111
Show		21495+2334	BU 1306	CD	348	2.0	112
Show		21422+2338	POU5460		232	14.1	112
Show		21455+2349	POU5488		40	12.8	112
Show		21495+2334	BU 1306	AB	302	32.0	112
Show		21495+2334	BU 1306	A,CD	272	34.5	112
Show		21495+2334	POU5518	B,CD	208	17.5	112
Show		21431+2343	BKO 630		215	10.0	113
Show		21398+2317	CVR 913		39	17.1	113
Show		21393+2043	STT 445		120	1.0	114
Show		21513+2036	SKF2181		353	18.9	114
Show		21429+2345	POU5462		323	10.7	115
Show		21537+2212	J 2361		114	7.5	116

WDS 21455+2156 : COMPONENTS

	A
B	pa=1.2° sep=1.97"

21455+2156 A

Componente originario normalizzato	AB	Coord arcsec 2000	214530.71+215623.8	Mag	9.62	Spectral class	F8 (yellow-white)
PmRA	18.00	PmDE	5.0	Tycho2	1678-01281-1	ADS	15291
DM	BD+21 4611

Tycho2

Tycho2	1678-01281-1	Pflag		RAmdeg	326.37795562	DEmdeg	21.93994296
PmRA	20.7	PmDE	-26.7	E RAmdeg	16	E DEmdeg	17
E pmRA	2.5	E pmDE	2.5	EpRAm	1989.83	EpDEm	1989.78
Num	4	Q RAmdeg	1.0	Q DEmdeg	7.5	Q pmRA	1.0
Q pmDE	7.5	BTmag	10.228	E BTmag	0.032	VTmag	9.619
E VTmag	0.026	Prox	20	TYC	T	HIP
CCDM		RAdeg	326.37790333	DEdeg	21.93999056	EpRA 1990	1.69
EpDE 1990	1.76	E RAdeg	16.8	E DEdeg	17.6	Posflg	D
Corr	-0.3

CCDM

Ccdm	21455+2156	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.68	DDEs	25.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.7	Sp	F8	PmNote	*
PmRA	13	PmDE	11	Dm number	+21 4611	Cat1	BD
Name2	+21 2412	Cat2	AGK2/3	HD		M HD
ADS BDS	A15291	M ADS BDS		N IDS		IDS	21409N2129A
HIC

21455+2156 B

Componente originario normalizzato	AB		Coord arcsec 2000	214530.71+215625.8		Mag	9.99		PmRA	19.00
PmDE	4.0		Calc delta mag	0.37		Calc coord	yes

CCDM

Ccdm	21455+2156	RComp		Comp	B	Note1
Note2		Discov num	AG 276	DRAs		DDEs
R dRAs		Year	1901	Theta	357	Rho	2.0
Obs	16	Vmag	10.1	Sp	K	PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A15291	M ADS BDS		N IDS		IDS	21409N2129B
HIC