21057+2912 GRV 416

21^h 05^m 42.29^s +29° 12' 27.5" P.A. 137.00 sep 38.2 mag 12.60,14.25

Coord 2000	21057+2912	Discov num	GRV 416	Comp		Coord arcsec 2000	21 05 42.29 +29 12 27.5
Date first	1998	Date last	2015	Obs	7
Pa first	137	Pa last	137	P.A. Now (θ)	137°
Sep first	38.2	Sep last	38.24	Sep. Now (ρ)	38.24"
Mag pri	12.60	Mag sec	14.25	delta mag (ΔM)	1.65	Spectral class
Pri motion ra	-017	Sec motion ra	-015
Pri motion dec	-014	Sec motion dec	-020
Notes

rPM=0.253 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1852138778782133248

WDS 21057+2912 GRV 416 : NOTES

No records found.

DISCOVERER

discov	author
GRV	Greaves, J.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
21057+2912	GRV 416		2000	2	137	38.2	12.30	13.90			D	210542.29+291227.5
21057+2912	GRV 416		2002	3	137	38.2	12.30	13.90			D	210542.29+291227.5
21057+2912	GRV 416		2010	3	137	38.2	12.60	14.25				210542.29+291227.5
21057+2912	GRV 416		2015	4	137	38.2	12.60	14.25				210542.29+291227.5

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

WDS 21057+2912 GRV 416 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21057+2912 GRV 416 : MEASURES

No records found.

WDS 21057+2912 : 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 21057+2912 : ALADIN DSS IMAGE @ 21^h 05^m 42.29^s +29° 12' 27.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21057+2912 GRV 416 : 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		21057+2912	GRV 416		137	38.2	0
Show		21055+2901	MLB 536		236	5.4	11
Show		21046+2902	TDT2726		311	0.6	19
Show		21058+2931	LDS2938		247	23.5	20
Show		21065+2933	AG 413		107	2.7	23
Show		21075+2924	TDT2769		154	0.6	27
Show		21035+2906	BU 445	AB	109	4.7	30
Show		21035+2906	BU 445	AC	19	50.7	30
Show		21035+2906	BU 445	AD	317	87.3	30
Show		21035+2906	BU 445	AE	218	103.5	30
Show		21035+2906	ARN 21	AF	233	219.9	30
Show		21061+2843	LDS2939		320	5.9	31
Show		21083+2913	COU1331		37	0.3	35
Show		21031+2929	OSO 139	AB	82	15.8	38
Show		21031+2929	OSO 139	AC	308	18.8	38
Show		21031+2929	OSO 139	AD	110	26.3	38
Show		21040+2841	HJ 1609	CD	193	6.1	39
Show		21040+2841	HJ 1609	AB	36	8.1	39
Show		21088+2916	MLB 487		142	4.3	42
Show		21078+2945	MLB 715	AB	40	5.5	43
Show		21078+2945	MLB 715	AC	336	25.3	43
Show		21072+2833	COU 528		70	1.2	44
Show		21091+2922	COU1332		20	0.2	46
Show		21054+2824	MLB 666		352	1.4	49
Show		21070+3001	J 1319		206	1.6	52
Show		21094+2850	DOB9002		104	18.6	53
Show		21017+2938	COU1180	AB	204	3.7	58
Show		21017+2938	RBR 51	Aa,Ab	181	0.6	58
Show		21070+2816	HJ 1611		279	10.7	59
Show		21025+2958	COU1181		214	0.7	62
Show		21077+3009	KPP1031		334	8.3	63
Show		21053+2807	HDS3006		12	0.7	66
Show		21007+2920	AZC 109		324	34.8	67
Show		21045+2807	MLB 665		326	8.4	68
Show		21023+2819	COU 524		258	1.3	70
Show		21109+2925	BAG 29		174	0.2	70
Show		21092+2820	MLB 537		99	7.0	70
Show		21098+2915	DU 3		15	6.1	71
Show		21086+3012	STF2762	AB	303	3.3	72
Show		21086+3012	STF2762	AC	229	59.0	72
Show		21086+3012	STF2762	AD	66	73.1	72
Show		21061+2801	COU 525		168	1.1	72
Show		21007+2844	BRT 54	AB	359	6.9	72
Show		21007+2844	BRT 54	AC	296	26.6	72
Show		21077+3022	UC 256		67	48.1	75
Show		21020+2815	LDS2936		237	4.4	76
Show		21064+3031	TDT2751		148	2.4	80
Show		21034+3025	SMA 123		145	7.2	80
Show		21006+2829	COU1040	AB	347	1.5	81
Show		21092+3023	CBL 90		113	54.5	85
Show		21118+2943	HAU 27		297	50.0	86

WDS 21057+2912 : COMPONENTS

	A
B	pa=137.0° sep=38.24"

21057+2912 A

Coord arcsec 2000

210542.29+291227.5

Mag

12.6

PmRA

-17.00

PmDE

-14.0

21057+2912 B

Coord arcsec 2000	210544.28+291159.5		Mag	14.25		PmRA	-15.00		PmDE	-20.0
Delta magnitude	1.65		Coordinate calculated	yes