21538+1158 DEA 90

21^h 53^m 46.76^s +11° 57' 37.2" P.A. 17.00 sep 11.2 mag 9.25,13.43 Sp M3+M7

Coord 2000	21538+1158	Discov num	DEA 90	Comp		Coord arcsec 2000	21 53 46.76 +11 57 37.2
Date first	1999	Date last	2016	Obs	5
Pa first	17	Pa last	16.6	P.A. Now (θ)	16.6°
Sep first	11.3	Sep last	11.203	Sep. Now (ρ)	11.203"
Mag pri	9.25	Mag sec	13.43	delta mag (ΔM)	4.18	Spectral class	M3+M7 (red/red)
Pri motion ra	-093	Sec motion ra	-085
Pri motion dec	-128	Sec motion dec	-136
Notes	V K (Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

rPM=0.071 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Gaia DR2

1766171920271467136

WDS 21538+1158 DEA 90 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Dea2005	Ci -	Deacon, N.R., Hambly, N.C. & Cooke, J.A.	2005A&A...435..363D
Dea2005		A&A 435, 363, 2005
Dea2005b	-	Deacon, N.R., Hambly, N.C., Henry, T.J., Subasavage, J.P., Brown, M. & Jao, W.-C.	2005AJ....129..409D
Dea2005b		AJ 129, 409, 2005
Dea2007	Ci -	Deacon, N.R. & Hambly, N.C.	2007A&A...468..163D
Dea2007	+E2	Burgett, W.S., Chambers, K.C., Hodapp, K.W., Kaiser, N., Kudritzki, R.-P.,
Dea2007		A&A 468, 163, 2007
Dea2009	Ci j	Deacon, N.R., Hambly, N.C., King, R.R. & McCaughrean, M.J.	2009MNRAS.394..857D
Dea2009	+E2	Burgett, W.S., Chambers, K.C., Hodapp, K.W., Kaiser, N., Kudritzki, R.-P.,
Dea2009	+Ek	Morgan, J.S., et al.
Dea2009		ApJ 757, 100, 2012
Dea2012b	Ci -	Deacon, N.R., Liu, M.C., Magnier, E.A., Bowler, B.P., Redstone, J., Goldman, B.,	2012ApJ...755...94D
Dea2012b	+E2	Burgett, W.S., Chambers, K.C., Flewelling, H., Kaiser, N., Morgan, J.S.,
Dea2012b		Price, P.A., Sweeney, W.E., Tonry, J.L., Wainscoat, R.J. & Waters, C.
Dea2012b		ApJ 755, 94, 2012
Dea2012	Ci w	Deacon, N.R., Liu, M.C., Magnier, E.A., Bowler, B.P., Mann, A.W., Redstone, J.A.,	2012ApJ...757..100D
Dea2012	+E2	Burgett, W.S., Chambers, K.C., Hodapp, K.W., Kaiser, N., Kudritzki, R.-P.,
Dea2012	+Hw	Morgan, J.S., et al.
Dea2012		ApJ 757, 100, 2012
Dea2013	P j	Deacon, N.R., Schlieder, J.E., Olofsson, J., Johnston, K.G. & Henning, Th.	2013MNRAS.434.1117D
Dea2013	+H+	MNRAS 434, 1117, 2013
Dea2013	+E+
Dea2014	E2 -	Deacon, N.R., Liu, M.C., Magnier, E.A., Aller, K.M., Best, W.M., Dupuy, T.,	2014ApJ...792..119D
Dea2014		Bowler, B.P., Mann, A.W., Redstone, J.A., Burgett, W.S., Chambers, K.C.,
Dea2014		Draper, P.W., Flewelling, H., Hodapp, K.W., Kaiser, N., Kudritzki, R.-P.,
Dea2014		Morgan, J.S., Metcalfe,N., Price, P.A., Tonry, J.L. & Wainscoat, R.J.
Dea2014		ApJ 792, 119, 2014
Dea2016	E -	Deacon, N.R., Kraus, A.L., Wann, A.W., Magnier, E.A., Chambers, K.C., Wainscoat,	2016MNRAS.455.4212D
Dea2016		R.J., Tonry, J.L., Kaiser, N., Waters, C., Flewelling, H., Hodapp, K.W. &
Dea2016		Burgett, W.S.
Dea2016		MNRAS 455, 4212, 2016
Dea2016		All positions and separations supplied by first author via email 25 Nov 2015
Dea2020	Hg -	Deacon, N.R. & Kraus, A.L.	2020MNRAS.496.5176D
Dea2020		MNRAS 496, 5176, 2020

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21538+1158	DEA 90		1999	1	17	11.3	9.25	13.43	M3+M7	VK	215346.76+115737.2
21538+1158	DEA 90		2000	1	16	11.0	9.25		M3+M7	VK	215346.76+115737.2
21538+1158	DEA 90		2015	2	17	11.2	9.25	13.43	M3+M7	V K	215346.76+115737.2
21538+1158	DEA 90		2016	5	17	11.2	9.25	13.43	M3+M7	V K	215346.76+115737.2

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

WDS 21538+1158 DEA 90 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21538+1158 DEA 90 : MEASURES

No records found.

WDS 21538+1158 : 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 21538+1158 : ALADIN DSS IMAGE @ 21^h 53^m 46.76^s +11° 57' 37.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21538+1158 DEA 90 : 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		21538+1158	DEA 90		17	11.2
Show		21524+1226	UC 4585	AB	318	27.7	35
Show		21524+1226	UC 4585	BC	280	54.7	36
Show		21513+1220	SHN 254		-1	0.3	44
Show		21504+1218	HJ 286		261	21.6	55
Show		21539+1102	GWP3105		113	4.3	56
Show		21516+1244	SHN 255		96	2.2	56
Show		21576+1157	STTA227		32	78.6	57
Show		21509+1243	FMR 165		305	39.5	63
Show		21497+1216	J 2358		339	4.2	64
Show		21555+1258	GRV1235		353	14.7	66
Show		21579+1231	SLW1257		237	138.3	69
Show		21555+1053	BU 75	AB	26	1.1	70
Show		21555+1053	BU 75	AB,C	211	35.3	70
Show		21500+1246	SHN 42		339	0.6	73
Show		21514+1052	LDS4917		93	41.2	75
Show		21590+1212	HEI 410		154	0.2	78
Show		21551+1320	GRV 520		136	23.3	86
Show		21480+1146	A 1224		353	3.1	86
Show		21572+1047	A 622		284	0.2	87
Show		21479+1136	BPM2408		52	87.5	90
Show		21543+1333	BU 1213	BC	310	1.0	96
Show		21543+1333	BU 1213	AB	259	64.3	97
Show		21490+1304	CBL 535		237	20.8	97
Show		21523+1024	TDT3207		315	1.7	97
Show		21476+1116	BPM2407		143	39.7	100
Show		22006+1137	UC 4625		228	35.6	103
Show		21518+1336	CRC 40	Aa,Ab	138	0.7	103
Show		21518+1336	CRC 40	AB	122	10.9	103
Show		21511+1022	COU2549	AB	86	0.1	104
Show		21511+1022	HEI 599	AC	82	0.2	104
Show		21567+1335	BPM2415		252	104.7	107
Show		22011+1202	ITF 6		22	4.5	108
Show		21541+1346	BPM2411		185	100.4	109
Show		22011+1213	GRV 531		3	34.9	109
Show		22005+1113	GWP3115	AB	272	15.9	110
Show		22010+1116	BPM2419		213	72.3	115
Show		21459+1153	A 1223	AB	331	0.1	116
Show		21459+1153	A 1223	AB,C	40	13.5	116
Show		21523+0958	CHE 324		191	14.2	122
Show		21454+1149	WAA9005		184	1.3	124
Show		21537+0954	GWP3103		230	32.3	125
Show		21452+1221	WAA9004		315	2.0	128
Show		22011+1307	HJ 289		322	59.8	128
Show		21532+0948	LDS4918		348	9.9	131
Show		21460+1053	BU 1305	BC	52	1.3	131
Show		21460+1053	BU 1305	AD	47	49.2	133
Show		21460+1053	BU 1305	AE	66	81.8	133
Show		21460+1053	BU 1305	AF	235	42.8	133
Show		21460+1053	BU 1305	AG	297	98.7	133
Show		21460+1053	BU 1305	A,BC	90	89.2	133

WDS 21538+1158 : COMPONENTS

	A
B	pa=16.3° sep=11.18"

21538+1158 A

Componente originario normalizzato	AB		Coord arcsec 2000	215346.76+115737.2		Mag	9.25		Spectral class	M3 (red)
PmRA	-93.00		PmDE	-128.0

21538+1158 B

Componente originario normalizzato	AB		Coord arcsec 2000	215346.97+115747.9		Mag	13.43		Spectral class	M7 (red)
PmRA	-85.00		PmDE	-136.0		Calc delta mag	4.18		Calc coord	yes