20158+1455 CHE 251

20^h 15^m 49.25^s +14° 55' 14.5" P.A. 61.00 sep 28.0 mag 10.53,11.50

Coord 2000	20158+1455	Discov num	CHE 251	Comp		Coord arcsec 2000	20 15 49.25 +14 55 14.5
Date first	1910	Date last	2015	Obs	11
Pa first	61	Pa last	61.2	P.A. Now (θ)	61.2°
Sep first	29.4	Sep last	28.007	Sep. Now (ρ)	28.007"
Mag pri	10.53	Mag sec	11.50	delta mag (ΔM)	0.97	Spectral class
Pri motion ra	-006	Sec motion ra	+003
Pri motion dec	-001	Sec motion dec	-008
Notes

rPM=1.334

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1808236005343232768

WDS 20158+1455 CHE 251 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Che1908	Pa -	Chevalier, Stanislas	.
Che1908		Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b)
Che1909	Pa -	Chevalier, Stanislas	.
Che1909		Shanghai Obs. Zo-Se 5, 86, 1909 (corrections are described in Hrt2012b)
Che1910	Ma j	Chevalier, Stanislas & Tsang Ziang-seng	.
Che1910	+Pa	Shanghai Obs. Zo-Se 6, O5, 1910 (corrections are described in Hrt2012b)
Che1911	Ma -	Chevalier, Stanislas	.
Che1911	+Pa	Shanghai Obs. Zo-Se 7, B1, 1911 (corrections are described in Hrt2012b)
Che1925	Pa -	Chevalier, Stanislas	1925JO......8...65G
Che1925		J. Obs. 8, 65, 1925

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20158+1455	CHE 251		1998	2	61	28.2	10.53	11.50		D	201549.25+145514.5
20158+1455	CHE 251		2008	3	61	28.2	10.53	11.50		D	201549.25+145514.5
20158+1455	CHE 251		2010	6	61	28.0	10.53	11.50			201549.25+145514.5
20158+1455	CHE 251		2015	7	61	28.0	10.53	11.50			201549.25+145514.5

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

WDS 20158+1455 CHE 251 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20158+1455 CHE 251 : MEASURES

No records found.

WDS 20158+1455 : VIRTUAL EYEPIECE

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WDS 20158+1455 : ALADIN DSS IMAGE @ 20^h 15^m 49.25^s +14° 55' 14.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20158+1455 CHE 251 : 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		20158+1455	CHE 251		61	28.0
Show		20159+1457	BKO 554		145	5.8	2
Show		20157+1453	CHE 250		145	20.7	3
Show		20157+1457	BKO 550		301	3.8	3
Show		20155+1452	CHE 245	AB	286	17.9	5
Show		20155+1452	BKO 545	AC	1	6.7	5
Show		20155+1455	BKO 544		29	2.6	5
Show		20154+1457	CHE 244		108	13.4	7
Show		20155+1502	SMA 114		310	5.0	9
Show		20162+1504	CHE 259		138	16.5	10
Show		20159+1505	BKO 553		111	5.2	11
Show		20164+1500	CHE 262		245	19.7	11
Show		20151+1450	BPM2077		45	67.3	13
Show		20167+1459	BPM2086		286	62.5	13
Show		20157+1508	CHE 249	AB	349	22.6	14
Show		20157+1508	BKO 549	AC	111	4.8	14
Show		20162+1507	CHE 258		230	16.0	14
Show		20157+1509	BKO 548		65	2.7	15
Show		20158+1510	BKO 552		64	3.6	15
Show		20160+1510	BKO 555		202	4.6	15
Show		20150+1504	CHE 240		179	28.4	15
Show		20146+1452	CHE 235		29	11.6	18
Show		20146+1503	CHE 234		270	18.4	19
Show		20169+1506	CHE 268	BC	354	28.4	20
Show		20169+1506	CHE 268	AB	213	10.2	20
Show		20169+1506	ABH 136	AD	281	39.7	20
Show		20169+1506	ABH 136	AE	231	74.0	20
Show		20169+1506	ABH 136	AF	217	52.4	20
Show		20169+1506	ABH 136	AG	212	51.0	20
Show		20169+1506	ABH 136	AH	190	55.4	20
Show		20169+1506	ABH 136	AI	181	67.9	20
Show		20169+1506	ABH 136	AJ	57	93.0	20
Show		20169+1506	ABH 136	AK	65	103.2	20
Show		20169+1506	ABH 136	AL	64	125.3	20
Show		20169+1506	CHE 268	AC	337	21.4	20
Show		20148+1441	CHE 239		55	28.9	20
Show		20145+1502	TOB 309		182	11.6	20
Show		20145+1503	CHE 232		333	9.5	22
Show		20148+1439	BPM2074		167	90.1	22
Show		20172+1446	BPM2088		343	73.4	22
Show		20143+1451	CHE 226		285	13.4	22
Show		20167+1513	CHE 265		68	20.8	23
Show		20144+1505	BKO 541		136	5.9	24
Show		20143+1507	CHE 225	AB	212	7.6	26
Show		20143+1507	BKO 539	AC	276	4.5	26
Show		20157+1520	CHE 248		322	32.0	26
Show		20173+1443	CHE 275		332	30.4	26
Show		20142+1442	CHE 224		338	23.6	27
Show		20160+1521	CHE 253		324	14.4	27
Show		20166+1431	BPM2085		221	113.9	27
Show		20140+1503	CHE 222		339	17.1	27

WDS 20158+1455 : COMPONENTS

	A
B	pa=60.4° sep=27.28"

20158+1455 A

Componente originario normalizzato	AB		Coord arcsec 2000	201549.25+145514.5		Mag	10.53		PmRA	-6.00
PmDE	-1.0

20158+1455 B

Componente originario normalizzato	AB		Coord arcsec 2000	201550.89+145528.0		Mag	11.5		PmRA	3.00
PmDE	-8.0		Calc delta mag	0.97		Calc coord	yes