20155+1455 BKO 544

20^h 15^m 31.63^s +14° 55' 08.5" P.A. 29.00 sep 2.6 mag 13.50,13.60

Coord 2000	20155+1455	Discov num	BKO 544	Comp		Coord arcsec 2000	20 15 31.63 +14 55 08.5
Date first	2008	Date last	2015	Obs	2
Pa first	30	Pa last	29.3	P.A. Now (θ)	29.3°
Sep first	2.6	Sep last	2.585	Sep. Now (ρ)	2.585"
Mag pri	13.50	Mag sec	13.60	delta mag (ΔM)	0.1	Spectral class
Pri motion ra	-032	Sec motion ra
Pri motion dec	-046	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1808224391750785664

WDS 20155+1455 BKO 544 : NOTES

discov_num	notes	refcode
BKO 544	Anon. 57.	Bko2009d

REFERENCES

refcode	metd	author	reference
Bko2009d	C u	Berko, E.	2009JDSO....5..189B
Bko2009d		JDSO 5, 189, 2009

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20155+1455	BKO 544		2008	1	30	2.6	13.50	13.60		N	201531.63+145508.5
20155+1455	BKO 544		2015	2	29	2.6	13.50	13.60		N	201531.63+145508.5

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WDS 20155+1455 BKO 544 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20155+1455 BKO 544 : MEASURES

No records found.

WDS 20155+1455 : VIRTUAL EYEPIECE

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WDS 20155+1455 : ALADIN DSS IMAGE @ 20^h 15^m 31.63^s +14° 55' 08.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20155+1455 BKO 544 : 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		20155+1455	BKO 544		29	2.6
Show		20155+1452	CHE 245	AB	286	17.9	3
Show		20155+1452	BKO 545	AC	1	6.7	3
Show		20154+1457	CHE 244		108	13.4	4
Show		20157+1457	BKO 550		301	3.8	4
Show		20157+1453	CHE 250		145	20.7	4
Show		20158+1455	CHE 251		61	28.0	5
Show		20159+1457	BKO 554		145	5.8	6
Show		20155+1502	SMA 114		310	5.0	8
Show		20151+1450	BPM2077		45	67.3	9
Show		20162+1504	CHE 259		138	16.5	12
Show		20159+1505	BKO 553		111	5.2	12
Show		20150+1504	CHE 240		179	28.4	13
Show		20146+1452	CHE 235		29	11.6	14
Show		20157+1508	CHE 249	AB	349	22.6	14
Show		20157+1508	BKO 549	AC	111	4.8	14
Show		20157+1509	BKO 548		65	2.7	15
Show		20146+1503	CHE 234		270	18.4	15
Show		20164+1500	CHE 262		245	19.7	15
Show		20158+1510	BKO 552		64	3.6	16
Show		20145+1502	TOB 309		182	11.6	17
Show		20160+1510	BKO 555		202	4.6	17
Show		20162+1507	CHE 258		230	16.0	17
Show		20148+1441	CHE 239		55	28.9	17
Show		20167+1459	BPM2086		286	62.5	18
Show		20145+1503	CHE 232		333	9.5	18
Show		20143+1451	CHE 226		285	13.4	18
Show		20148+1439	BPM2074		167	90.1	20
Show		20144+1505	BKO 541		136	5.9	20
Show		20143+1507	CHE 225	AB	212	7.6	22
Show		20143+1507	BKO 539	AC	276	4.5	22
Show		20142+1442	CHE 224		338	23.6	23
Show		20140+1503	CHE 222		339	17.1	23
Show		20169+1506	CHE 268	BC	354	28.4	23
Show		20169+1506	CHE 268	AB	213	10.2	24
Show		20169+1506	ABH 136	AD	281	39.7	24
Show		20169+1506	ABH 136	AE	231	74.0	24
Show		20169+1506	ABH 136	AF	217	52.4	24
Show		20169+1506	ABH 136	AG	212	51.0	24
Show		20169+1506	ABH 136	AH	190	55.4	24
Show		20169+1506	ABH 136	AI	181	67.9	24
Show		20169+1506	ABH 136	AJ	57	93.0	24
Show		20169+1506	ABH 136	AK	65	103.2	24
Show		20169+1506	ABH 136	AL	64	125.3	24
Show		20169+1506	CHE 268	AC	337	21.4	24
Show		20142+1508	BKO 538		127	6.2	24
Show		20157+1520	CHE 248		322	32.0	26
Show		20138+1450	CHE 218	AB	221	26.5	26
Show		20172+1446	BPM2088		343	73.4	26
Show		20167+1513	CHE 265		68	20.8	26
Show		20138+1450	BKO 537	BC	106	4.7	26

WDS 20155+1455 : COMPONENTS

	A
B	pa=28.5° sep=2.56"

20155+1455 A

Componente originario normalizzato	AB		Coord arcsec 2000	201531.63+145508.5		Mag	13.5		PmRA	-32.00
PmDE	-46.0

20155+1455 B

Componente originario normalizzato	AB		Coord arcsec 2000	201531.71+145510.8		Mag	13.6		Calc delta mag	0.1
Calc coord	yes