21242+0422 CVR 898

21^h 24^m 12.35^s +04° 21' 57.6" P.A. 250.00 sep 13.6 mag 18.80,19.20 Sp M4+M4

Coord 2000	21242+0422	Discov num	CVR 898	Comp		Coord arcsec 2000	21 24 12.35 +04 21 57.6
Date first	2000	Date last	2016	Obs	7
Pa first	250	Pa last	249.8	P.A. Now (θ)	249.8°
Sep first	13.5	Sep last	13.591	Sep. Now (ρ)	13.591"
Mag pri	18.80	Mag sec	19.20	delta mag (ΔM)	0.4	Spectral class	M4+M4 (red/red)
Pri motion ra	-027	Sec motion ra	-030
Pri motion dec	-035	Sec motion dec	-037
Notes	V R (Proper motion indicates physical, Red magnitudes)

rPM=0.076 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Equuleus

Gaia DR2

2693077569860125952

WDS 21242+0422 CVR 898 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Cvr2011	Eu -	Chivers, J.	2011JDSO....7..209C
Cvr2011		JDSO 7, 209, 2011
Cvr2014	Es u	Chivers, J.	2014JDSO...10...62C
Cvr2014		JDSO 10, 62, 2014
Cvr2014b	Es u	Chivers, J.	2014JDSO...10..256C
Cvr2014b		JDSO 10, 256, 2014
Cvr2014b		(Note: Coordinates in main table are of secondary, not primary. Corrected in WDS)
Cvr2014c	Eu -	Chivers, J.	2014JDSO...10..300C
Cvr2014c		JDSO 10, 300, 2014
Cvr2015a	Eu u	Chivers, J.	2015JDSO...11...42C
Cvr2015a	+Es	JDSO 11, 42, 2015

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21242+0422	CVR 898		2008	1	250	13.6	18.80	19.20	M4+M4	V R	212411.50+042153.0
21242+0422	CVR 898		2010	3	250	13.5	18.80	19.20	M4+M4	V R	212412.35+042157.6
21242+0422	CVR 898		2014	5	249	13.4	18.80	19.20	M4+M4	V R	212412.35+042157.6
21242+0422	CVR 898		2015	6	250	13.6	18.80	19.20	M4+M4	V R	212412.35+042157.6
21242+0422	CVR 898		2016	7	250	13.6	18.80	19.20	M4+M4	V R	212412.35+042157.6

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

WDS 21242+0422 CVR 898 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21242+0422 CVR 898 : MEASURES

No records found.

WDS 21242+0422 : VIRTUAL EYEPIECE

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WDS 21242+0422 : ALADIN DSS IMAGE @ 21^h 24^m 12.35^s +04° 21' 57.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21242+0422 CVR 898 : 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		21242+0422	CVR 898		250	13.6
Show		21237+0422	STF2791		103	2.9	8
Show		21232+0409	SKF2742		104	1.4	21
Show		21225+0403	UC 4462		71	29.2	33
Show		21243+0343	A 2288		227	0.4	39
Show		21266+0347	TDT2969		155	0.5	51
Show		21251+0330	FMR 163		12	15.4	55
Show		21243+0327	BAL2561		288	20.5	56
Show		21242+0323	BAL2052		256	16.9	59
Show		21267+0335	VOU 41		171	0.1	61
Show		21281+0440	HDS3056		220	0.2	61
Show		21277+0455	CVR 903		251	8.2	62
Show		21217+0512	CBL 599		197	19.9	63
Show		21211+0336	NSN 5		65	7.5	66
Show		21264+0522	GRV 468		20	75.9	70
Show		21267+0527	OSO 146	AB	309	25.0	75
Show		21267+0527	OSO 146	AC	49	25.3	75
Show		21260+0312	BAL2053		93	19.9	76
Show		21292+0451	J 2350		60	5.7	84
Show		21192+0339	J 1721		272	3.2	84
Show		21209+0307	BU 838		156	1.6	90
Show		21242+0248	J 914			1.8	95
Show		21179+0407	BAL2559		283	3.9	96
Show		21256+0248	J 1039		332	4.3	97
Show		21214+0253	STT 435		239	0.7	99
Show		21197+0537	J 2341		350	7.4	101
Show		21184+0518	HDS3031		103	0.1	104
Show		21172+0438	HU 274		147	4.1	106
Show		21197+0256	CVR 893		85	21.0	110
Show		21169+0347	UC 4426		251	27.3	116
Show		21164+0421	GRV 442		181	52.9	116
Show		21189+0252	HEI 407		62	0.2	119
Show		21173+0323	BAL2050		181	18.3	119
Show		21286+0237	BAL2054		121	18.1	124
Show		21190+0559	HJ 3022	AB	76	17.3	126
Show		21190+0559	HJ 3022	AC	310	41.8	126
Show		21188+0245	BAL2051		166	2.6	126
Show		21156+0419	TDT2865		112	2.1	129
Show		21325+0452	HJ 3032		93	17.5	129
Show		21317+0312	J 1723		121	2.4	132
Show		21210+0217	BAL1586	Aa,Ab	111	0.6	134
Show		21210+0217	HEI 408	AB	258	2.3	134
Show		21210+0217	HEI 408	AC	273	55.5	134
Show		21210+0217	HEI 408	AD	111	95.2	134
Show		21210+0217	HEI 408	DE	106	54.5	134
Show		21325+0515	SLW1242		79	12.3	136
Show		21185+0236	OSO 144		346	16.8	136
Show	Kitalpha	21158+0515	WRH 35		104	0.0	137
Show		21255+0203	A 2289	AB	334	0.1	141
Show		21255+0203	STT 439	AB,C	222	14.6	141
Show		21149+0440	BAL2979		182	11.5	141

WDS 21242+0422 : COMPONENTS

	A
B	pa=249.7° sep=13.56"

21242+0422 A

Componente originario normalizzato	AB		Coord arcsec 2000	212412.35+042157.6		Mag	18.8		Spectral class	M4 (red)
PmRA	-27.00		PmDE	-35.0

21242+0422 B

Componente originario normalizzato	AB		Coord arcsec 2000	212411.50+042152.9		Mag	19.2		Spectral class	M4 (red)
PmRA	-30.00		PmDE	-37.0		Calc delta mag	0.4		Calc coord	yes