21477-2644 DEA 23

21^h 47^m 44.64^s -26° 44' 05.4" P.A. 23.00 sep 78.8 mag 11.98,13.42

Coord 2000	21477-2644	Discov num	DEA 23	Comp		Coord arcsec 2000	21 47 44.64 -26 44 05.4
Date first	1998	Date last	2010	Obs	3
Pa first	23	Pa last	23	P.A. Now (θ)	23°
Sep first	79.4	Sep last	78.78	Sep. Now (ρ)	78.78"
Mag pri	11.98	Mag sec	13.42	delta mag (ΔM)	1.44	Spectral class
Pri motion ra	-135	Sec motion ra	-130
Pri motion dec	-193	Sec motion dec	-216
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=0.093 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Piscis Austrinus

Gaia DR2

6810425909217925760

WDS 21477-2644 DEA 23 : 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
21477-2644	DEA 23		1998	1	23	79.4	11.98	13.42		V K	214744.64-264405.4
21477-2644	DEA 23		2010	3	23	78.8	11.98	13.42		V K	214744.64-264405.4

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

WDS 21477-2644 DEA 23 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21477-2644 DEA 23 : MEASURES

No records found.

WDS 21477-2644 : 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 21477-2644 : ALADIN DSS IMAGE @ 21^h 47^m 44.64^s -26° 44' 05.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21477-2644 DEA 23 : 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		21477-2644	DEA 23		23	78.8
Show		21474-2630	LDS4907		295	5.1	15
Show		21467-2635	SEE 458		82	1.1	16
Show		21460-2642	HJ 3054		15	20.9	24
Show		21468-2706	STN 55		175	3.3	26
Show		21440-2631	HWE 57		290	1.7	52
Show		21448-2735	UC 4547	AB	62	27.8	65
Show		21448-2735	UC 4547	AC	20	1.8	65
Show		21447-2552	UC 4545		228	63.1	67
Show		21442-2555	RST1105		358	0.7	68
Show		21497-2539	COO 245		306	2.6	71
Show		21432-2728	KPP4245		115	1.3	75
Show		21508-2756	HJ 3059		252	25.4	83
Show		21540-2642	B 544		106	1.7	84
Show		21422-2726	TSN 99		275	656.2	86
Show		21456-2518	UC 4552		305	10.9	91
Show		21423-2744	LDS5926		81	295.6	95
Show		21499-2509	B 540		326	0.1	100
Show		21496-2505	UC 4575		48	8.9	103
Show		21524-2522	B 541		295	0.2	104
Show		21410-2551	SEE 452		113	11.0	106
Show		21559-2701	LDS5936		18	9.3	112
Show		21563-2717	TDT3249	Aa,Ab	33	0.4	120
Show		21563-2717	SEE 461	AB	62	4.0	120
Show		21416-2813	HJ 3046	AB	57	29.0	120
Show		21416-2813	UC 4530	AC	246	79.9	120
Show		21423-2821	RST2185		121	3.2	122
Show		21392-2543	NSN 494		265	10.3	131
Show		21546-2509	BRT3103		175	3.6	133
Show		21412-2459	KPP1482		239	11.1	138
Show		21514-2853	LDS5930		128	257.8	139
Show		21406-2834	B 533		204	0.3	146
Show		21577-2747	HJ 3068		284	13.3	148
Show		21420-2439	SEE 453		325	11.5	148
Show		21528-2903	UC 4587		187	10.5	155
Show		21363-2715	RST1099		174	1.5	156
Show		21583-2754	DAM1265		94	7.6	158
Show		21362-2610	RST1098	AB	7	18.2	159
Show		21362-2610	TOK 637	AC	62	999.9	159
Show		21587-2534	TDT3271		60	0.9	164
Show		21596-2738	STN 56		36	11.3	167
Show		21511-2938	LDS5929	AB	128	54.7	181
Show		21511-2938	LDS5929	Aa,Ab	326	1.1	181
Show		22009-2735	UC 4629		285	42.4	183
Show		21443-2348	LDS6360		111	8.1	184
Show		21465-2338	UC 4557		162	8.1	187
Show		21495-2339	KPP 500		312	3.6	187
Show		21338-2622	RST1095		316	0.9	188
Show		21420-2940	HDS3090		350	0.1	192
Show		22022-2651	COO 248		174	3.0	194
Show		21451-2332	KPP1689		185	13.1	196

WDS 21477-2644 : COMPONENTS

	A
B	pa=20.8° sep=77.55"

21477-2644 A

Componente originario normalizzato	AB		Coord arcsec 2000	214744.64-264405.4		Mag	11.98		PmRA	-135.00
PmDE	-193.0

21477-2644 B

Componente originario normalizzato	AB		Coord arcsec 2000	214746.69-264252.9		Mag	13.42		PmRA	-130.00
PmDE	-216.0		Calc delta mag	1.44		Calc coord	yes