21117+2220 BRT 2492 AB

21^h 11^m 42.69^s +22° 19' 46.9" P.A. 338.00 sep 5.0 mag 11.21,13.30

Coord 2000	21117+2220	Discov num	BRT2492	Comp	AB	Coord arcsec 2000	21 11 42.69 +22 19 46.9
Date first	1892	Date last	2015	Obs	10
Pa first	337	Pa last	338.1	P.A. Now (θ)	338.1°
Sep first	4.9	Sep last	5.04	Sep. Now (ρ)	5.04"
Mag pri	11.21	Mag sec	13.30	delta mag (ΔM)	2.09	Spectral class
Pri motion ra	+009	Sec motion ra	-030
Pri motion dec	-001	Sec motion dec	+021
Notes

rPM=1.223

This double is not physical.

21117+2220 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 11 43 +22 19 47	BRT 2492 AB	2015	10	338	5.0	11.21	13.30	2.09		<===
Show			21 11 43 +22 19 52	FYM 291 BC	2015	9	336	15.7	13.30	14.60	1.30

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Tycho2

1661-01817-1

Gaia DR2

1839734260397154560

WDS 21117+2220 BRT 2492 AB : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Brt1926a	Pa -	Barton, S.G.	1926AJ.....36..155B
Brt1926a		AJ 36, 155, 1926 (BRT 1 - BRT 62)
Brt1926b	Pa j	Barton, S.G.	1926AJ.....37...57B
Brt1926b		AJ 37, 57, 1926 (BRT 63 - BRT 116)
Brt1928	Pa -	Barton, S.G.	1928AJ.....38..168B
Brt1928		AJ 38, 168, 1928 (BRT 117 - BRT 230)
Brt1929a	Pa -	Barton, S.G.	1929AN....235..425B
Brt1929a		AN 235, 425, 1929 (BRT 294 - BRT 322)
Brt1929b	Pa -	Barton, S.G.	1929AJ.....39...93B
Brt1929b		AJ 39, 93, 1929 (BRT 231 - BRT 293)
Brt1929c	Ma j	Barton, S.G.	1929AJ.....39..120B
Brt1929c		AJ 39, 120, 1929
Brt1930	Pa -	Barton, S.G.	1930AJ.....40..181B
Brt1930		AJ 40, 181, 1930 (BRT 323 - BRT 348)
Brt1931	Pa -	Barton, S.G. (BRT 349 - BRT 562)	1931AJ.....41...35B
Brt1931		AJ 41, 35, 1931 (no measures for BRT 529 - BRT 562)
Brt1932a	Pa -	Barton, S.G.	1932AJ.....42...93B
Brt1932a		AJ 42, 93, 1932 (BRT 604 - BRT 636)
Brt1932b	Ma -	Barton, S.G.	1932PFAO....5a...1B
Brt1932b	+Pa	Pub. Univ. Penn. 5, Pt.1, Sec.2, 1932 (BRT 563 - BRT 603, BRT1928, etc.)
Brt1932C	Ma -	Barton, S.G.	1932QB821.A43......
Brt1932C		cited in ADS (Aitken Double Star Cat.), 1932
Brt1933	Pa -	Barton, S.G.	1933AN....250...49B
Brt1933		AN 250, 49, 1933
Brt1933		(BRT 637 - BRT1134; very approximate dates added for pairs listed with only
Brt1933		secondary magnitudes and no astrometry)
Brt1934	Pa -	Barton, S.G.	1934AJ.....43..119B
Brt1934	+Ma	AJ 43, 119, 1934
Brt1935a	Pa -	Barton, S.G.	1935AJ.....44..105B
Brt1935a	+Ma	AJ 44, 105, 1935
Brt1935b	Pa -	Barton, S.G.	1935AN....256..357B
Brt1935b		AN 256, 357, 1935
Brt1936a	Ma -	Barton, S.G.	1936AJ.....45...33B
Brt1936a	+Pa	AJ 45, 33, 1936
Brt1936b	Pa -	Barton, S.G.	1936AJ.....45...99B
Brt1936b	+Ma	AJ 45, 99, 1936
Brt1937a	Pa -	Barton, S.G.	1937AN....263..347B
Brt1937a		AN 263, 347, 1937
Brt1937b	Pa -	Barton, S.G.	1937AN....263..383B
Brt1937b		AN 263, 383, 1937
Brt1938	Ma -	Barton, S.G.	1938AJ.....47..133B
Brt1938	+Pa	AJ 47, 133, 1938
Brt1939a	Ma -	Barton, S.G.	1939PFAO....5b...1B
Brt1939a	+Pa	Pub. Univ. Penn. 5, Pt.2, Sec.2, 1939
Brt1939b	Pa -	Barton, S.G.	1939AJ.....48..145B
Brt1939b	+Ma	AJ 48, 145, 1939
Brt1941	Pa -	Barton, S.G.	1941PASP...55..339B
Brt1941		PASP 55, 339, 1941
Brt1942	Pa -	Barton, S.G.	1942AJ.....50...11B
Brt1942		AJ 50, 11, 1942
Brt1947	Ma -	Barton, S.G.	1947AJ.....52..178B
Brt1947	+Pa	AJ 52, 178, 1947
Brt1949	Ma -	Barton, S.G.	1949PFAO....7a...1B
Brt1949		Pub. Univ. Penn. 7, Pt.1, Sec.1, 1949
Brt1951	Pa -	Barton, S.G.	1951AJ.....55..218B
Brt1951		AJ 55, 218, 1951
Brt1957	Ma -	Barton, S.G.	1957QB4.P5v7ps3....
Brt1957		Pub. Univ. Penn. 7, Pt.3, 15, 1957
Brt9999	Ma -	Barton, S.G.	...................
Brt9999	+Pa	Unpublished, manuscript or reference not found.
Brt2002A	Ma -	Barton, S.G.	2002yCat.1275....0D
Brt2002A	+Pa	cited in CCDM
FyM2013	C j	Fay, M.	2013OED....10...38F
FyM2013		El Observador de Estrellas Dobles, Issue #10, 38, 2013
FyM2013b	C j	Fay, M.	.
FyM2013b		Il Bollettino Delle Stelle Doppie 5, 10, 2013
FyM2013c	C j	Fay, M.	.
FyM2013c		Il Bollettino Delle Stelle Doppie 6, 40, 2013
FyM2013d	C j	Fay, M.	.
FyM2013d		Il Bollettino Delle Stelle Doppie 6, 46, 2013
FyM2014	C j	Fay, M.	.
FyM2014		Il Bollettino Delle Stelle Doppie 9, 36, 2014
FyM2014		(Italian translation on page 21 of the same publication)
FyM2014b	C -	Fay, M.	.
FyM2014b		private communication
FyM2014c	C j	Fay, M.	2014OED....13...19F
FyM2014c		El Observador de Estrellas Dobles, Issue #13, 19, 2014
FyM2015a	C j	Fay, M.	2015OED....14...48F
FyM2015a		El Observador de Estrellas Dobles, Issue #14, 48, 2015
FyM2015b	C j	Fay, M.	2015OED....15...48F
FyM2015b		El Observador de Estrellas Dobles, Issue #15, 48, 2015
FyM2016a	C -	Fay, M.	2016OED....16...94F
FyM2016a		El Observador de Estrellas Dobles, Issue #16, 94, 2016
FyM2016b	C j	Fay, M.	2016OED....16..132F
FyM2016b		El Observador de Estrellas Dobles, Issue #16, 132, 2016
FyM2016c	C j	Fay, M.	2016OED....17...14F
FyM2016c		El Observador de Estrellas Dobles, Issue #17, 14, 2016
FyM2017a	C -	Fay, M.	.
FyM2017a		Il Bollettino Delle Stelle Doppie 20, 51, 2017
FyM2017a		(Italian translation on page 29 of the same publication)
FyM2017b	C j	Fay, M.	2017OED....19...71F
FyM2017b		El Observador de Estrellas Dobles, Issue #19, 71, 2017

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21117+2220	BRT2492	AB	2015	6	338	5.0	11.21	13.30			211142.69+221946.9

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

WDS 21117+2220 BRT 2492 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21117+2220 BRT 2492 AB : MEASURES

No records found.

WDS 21117+2220 : VIRTUAL EYEPIECE

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

WDS 21117+2220 : ALADIN DSS IMAGE @ 21^h 11^m 42.69^s +22° 19' 46.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21117+2220 BRT 2492 AB : 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		21117+2220	BRT2492	AB	338	5.0
Show		21117+2220	FYM 291	BC	336	15.7	1
Show		21105+2227	STF2769	AB	301	18.1	18
Show		21105+2227	FYM 289	AD	78	16.2	18
Show		21105+2227	SHY 793	BC	262	999.9	19
Show		21115+2144	COU 227		122	0.5	36
Show		21091+2149	BRT2491		306	3.3	48
Show		21082+2220	KPP4224		246	2.0	49
Show		21091+2146	GIC9023		166	1.1	50
Show		21146+2147	KPP2406		36	20.8	52
Show		21082+2201	UC 4386		123	33.5	52
Show		21093+2140	UC 4391		144	54.8	52
Show		21113+2321	POU5229		169	15.7	62
Show		21161+2214	KPP4230	AB	328	2.0	62
Show		21164+2206	AZC 111		33	9.6	67
Show		21134+2324	POU5264		155	14.9	69
Show		21129+2329	BKO 887		114	42.1	72
Show		21129+2330	POU5252	AB	226	13.3	72
Show		21129+2330	POU5253	AC	207	17.0	72
Show		21129+2330	POU5254	AD	218	30.8	72
Show		21129+2330	BKO 886	AE	142	7.0	72
Show		21124+2333	POU5247		22	14.2	73
Show		21065+2232	AZC 110	AB	135	49.6	74
Show		21138+2329	BKO 889		13	7.3	75
Show		21139+2329	BKO 890		190	9.3	76
Show		21157+2128	RAO 450		14	3.0	76
Show		21082+2321	POU5186		171	14.9	79
Show		21162+2309	TDT2874		237	0.6	79
Show		21138+2333	POU5274		324	17.4	79
Show		21099+2335	POU5207		356	15.3	80
Show		21174+2239	UC 4429		171	55.7	81
Show		21162+2128	SLW1235		134	10.4	81
Show		21063+2251	A 2798	AB	148	2.1	82
Show		21143+2333	POU5282		358	7.3	82
Show		21068+2306	HU 364		92	0.1	82
Show		21158+2320	POU5296		293	16.5	83
Show		21057+2207	BRT2490		252	3.1	84
Show		21085+2332	TDT2781		318	0.8	85
Show		21110+2345	BKO 884		22	3.8	87
Show		21114+2348	POU5232		323	17.6	87
Show		21118+2348	POU5240		43	7.7	88
Show		21112+2347	POU5228		239	17.5	88
Show		21095+2342	POU5200		38	17.9	88
Show		21169+2129	TDS1122		248	1.4	89
Show		21113+2349	POU5230		20	11.2	89
Show		21133+2346	UC 4409		358	50.3	90
Show		21112+2351	BKO 885		89	13.6	92
Show		21174+2135	COU 228		47	0.7	92
Show		21129+2350	TDT2828		213	0.6	92
Show		21067+2321	TDT2755		214	0.9	93
Show		21130+2351	FYM 590		301	11.9	93

WDS 21117+2220 : COMPONENTS

	A	B
B	pa=338.6° sep=4.94"
C	pa=337.5° sep=20.44"	pa=337.1° sep=15.50"

21117+2220 A

Coord arcsec 2000	211142.69+221946.9		Mag	11.21		PmRA	9.00		PmDE	-1.0
Tycho2	1661-01817-1

Tycho2

Tycho2	1661-01817-1	Pflag		RAmdeg	317.92788975	DEmdeg	22.32970430
PmRA	9.2	PmDE	-6.9	E RAmdeg	34	E DEmdeg	40
E pmRA	1.5	E pmDE	1.5	EpRAm	1980.24	EpDEm	1980.24
Num	4	Q RAmdeg	3.1	Q DEmdeg	5.1	Q pmRA	3.1
Q pmDE	5.2	BTmag	11.596	E BTmag	0.080	VTmag	11.206
E VTmag	0.093	Prox	999	TYC	T	HIP
CCDM		RAdeg	317.92791333	DEdeg	22.32965833	EpRA 1990	1.50
EpDE 1990	1.54	E RAdeg	57.2	E DEdeg	52.9	Posflg
Corr	0.1

21117+2220 B

Coord arcsec 2000	211142.56+221951.5		Coord calc	211142.56+221951.5		Mag	13.3		PmRA	-30.00
PmDE	21.0		Calc delta mag	2.09

21117+2220 C

Coord arcsec 2000

211142.13+222005.8

Mag

14.6

Calc delta mag

3.39

Calc coord

yes