21157+3235 HJ 1628

21^h 15^m 15.80^s +32° 35' 27.1" P.A. 252.00 sep 15.1 mag 10.24,11.44

Coord 2000	21157+3235	Discov num	HJ 1628	Comp		Coord arcsec 2000	21 15 15.80 +32 35 27.1
Date first	1828	Date last	2017	Obs	24
Pa first	255	Pa last	251.6	P.A. Now (θ)	251.6°
Sep first	10.0	Sep last	15.1	Sep. Now (ρ)	15.1"
Mag pri	10.24	Mag sec	11.44	delta mag (ΔM)	1.2	Spectral class
Pri motion ra	+001	Sec motion ra	-001
Pri motion dec	+001	Sec motion dec	-001
Notes	N (See Notes)

rPM=2

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2706-03021-1

Gaia DR2

1854678822440722816

WDS 21157+3235 HJ 1628 : NOTES

discov_num	notes	refcode
HJ 1628	GYL 50. Goyal identified his pair as BD+31@4102, but his epoch-1900	Gyl1966
	coordinates precess to the location of BD+32@4102. No 16" pair is
	found in the vicinity of BD+31@4102, and AC2000 notes no "plate flaws"	WFC1998
	mistaken for stars on the Potsdam plates used to generate Goyal's
	measure. His value of theta may be reconciled with the position angle
	of HJ 1628 by assuming he swapped the dx and dy measures between the
	two Potsdam coordinates.

REFERENCES

refcode	metd	author	reference
Gyl1966	Pa j	Goyal, A.N.	1966MNRAS.133...15G
Gyl1966		MNRAS 133, 15, 1966
WFC1998	Pa j	Urban, S.E., Corbin, T.E., Wycoff, G.L., Martin, J.C., Jackson, E.S.,	1998AJ....115.1212U
WFC1998		Zacharias, M.I., & Hall, D.M.
WFC1998		AJ 115, 1212, 1998 (Astrographic Cat. 2000)

DISCOVERER

idgroup	discov	author
1	HJ	Herschel, J.F.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21157+3235	HJ 1628		2006	14	252	15.5	10.24	11.44		N D	211515.80+323527.1
21157+3235	HJ 1628		2015	18	253	15.6	10.24	11.44		N	211515.80+323527.1
21157+3235	HJ 1628		2016	19	252	15.3	10.24	11.44		N	211515.80+323527.1
21157+3235	HJ 1628		2017	21	252	15.1	10.24	11.44		N	211515.80+323527.1

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

WDS 21157+3235 HJ 1628 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21157+3235 HJ 1628 : MEASURES

No records found.

WDS 21157+3235 : 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 21157+3235 : ALADIN DSS IMAGE @ 21^h 15^m 15.80^s +32° 35' 27.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21157+3235 HJ 1628 : 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		21157+3235	HJ 1628		252	15.1
Show		21148+3238	TOB 218		295	21.8	7
Show		21149+3240	HJ 1627		182	2.5	8
Show		21152+3251	HEI 284	AB	26	4.3	15
Show		21152+3251	HEI 284	AC	224	8.7	15
Show		21160+3217	SEI1482		197	19.9	21
Show		21138+3225	DAM1261		339	19.4	21
Show		21148+3216	SEI1463		127	26.6	21
Show		21136+3249	TDT2837		93	0.7	26
Show		21132+3228	SEI1451		250	27.7	28
Show		21133+3248	KPP2620		346	24.1	29
Show		21131+3249	SEI1446		155	8.7	31
Show		21158+3159	TDT2868		185	2.0	37
Show		21151+3313	TOB 217		268	16.4	38
Show		21155+3313	TOB 215		232	16.2	39
Show		21156+3314	GYL 51		102	43.1	39
Show		21182+3227	GRV 444		250	36.1	40
Show		21125+3217	SEI1443		139	25.6	40
Show		21146+3157	GRV 437		204	51.6	40
Show		21171+3203	FOX9054		358	6.1	40
Show		21156+3315	TOB 216		135	14.2	41
Show		21128+3210	TDT2827		297	2.5	41
Show		21174+3203	HJ 931		356	9.9	43
Show		21132+3202	J 3127	AB	159	1.6	43
Show		21132+3202	J 3127	AC	194	12.3	43
Show		21159+3319	COU1478		175	1.4	44
Show		21120+3252	TDT2819		235	2.5	45
Show		21125+3306	GRV 436		182	54.7	46
Show		21119+3216	SEI1440		110	17.0	47
Show		21118+3211	SEI1438		93	22.5	51
Show		21162+3145	TDT2871		230	3.3	52
Show		21145+3330	TDT2849		204	2.2	56
Show		21112+3214	SEI1433		297	9.6	56
Show		21111+3256	TDT2809		52	1.9	57
Show		21143+3332	ES 2316			5.0	59
Show		21194+3306	J 1228		281	3.7	61
Show		21139+3336	TDT2842		185	1.8	63
Show		21104+3215	SEI1425	AB	34	21.4	65
Show		21104+3215	TOB 212	AC	79	24.2	65
Show		21150+3340	TDT2857		288	0.5	65
Show		21159+3340	GYL 52		62	29.0	65
Show		21203+3240	GRV 449		327	64.2	66
Show		21107+3306	TDT2805		201	0.5	66
Show		21163+3339	ES 2317		310	10.7	66
Show		21197+3315	HO 155		38	2.0	69
Show		21110+3320	VKI 41		309	1.2	69
Show		21207+3226	POP 201		203	7.1	70
Show		21208+3227	STT 437	AB	19	2.5	71
Show		21208+3227	STT 437	AC	144	79.6	71
Show		21218+3230	HLM 40		23	15.5	72
Show		21112+3332	VKI 48		310	1.6	76

WDS 21157+3235 : COMPONENTS

	A
B	pa=248.5° sep=12.98"

21157+3235 A

Componente originario normalizzato	AB		Coord arcsec 2000	211515.80+323527.1		Mag	10.24		PmRA	1.00
PmDE	1.0		Tycho2	2706-03021-1

Tycho2

Tycho2	2706-03021-1	Pflag		RAmdeg	318.81581333	DEmdeg	32.59086066
PmRA	-0.4	PmDE	1.7	E RAmdeg	16	E DEmdeg	15
E pmRA	1.4	E pmDE	1.4	EpRAm	1989.94	EpDEm	1989.38
Num	6	Q RAmdeg	1.1	Q DEmdeg	1.7	Q pmRA	1.1
Q pmDE	1.7	BTmag	10.294	E BTmag	0.026	VTmag	10.243
E VTmag	0.031	Prox	152	TYC	T	HIP
CCDM		RAdeg	318.81581528	DEdeg	32.59085528	EpRA 1990	1.57
EpDE 1990	1.66	E RAdeg	16.4	E DEdeg	16.0	Posflg
Corr	0.0

21157+3235 B

Componente originario normalizzato	AB		Coord arcsec 2000	211514.84+323522.3		Mag	11.44		PmRA	-1.00
PmDE	-1.0		Tycho2	2706-00893-1		Calc delta mag	1.2		Calc coord	yes

Tycho2

Tycho2	2706-00893-1	Pflag		RAmdeg	318.81105426	DEmdeg	32.58953730
PmRA	1.4	PmDE	-1.6	E RAmdeg	37	E DEmdeg	37
E pmRA	1.7	E pmDE	1.7	EpRAm	1985.24	EpDEm	1985.27
Num	5	Q RAmdeg	2.1	Q DEmdeg	0.6	Q pmRA	2.1
Q pmDE	0.6	BTmag	11.442	E BTmag	0.054	VTmag	11.439
E VTmag	0.083	Prox	152	TYC	T	HIP
CCDM		RAdeg	318.81104861	DEdeg	32.58954139	EpRA 1990	1.58
EpDE 1990	1.66	E RAdeg	39.3	E DEdeg	38.8	Posflg
Corr	0.0