04188-0242 STF 525 AC

04^h 18^m 45.19^s -02° 41' 48.3" P.A. 235.00 sep 48.0 mag 8.91,9.91 Sp A2

Coord 2000	04188-0242	Discov num	STF 525	Comp	AC	Coord arcsec 2000	04 18 45.19 -02 41 48.3
Date first	1891	Date last	2015	Obs	11
Pa first	234	Pa last	235.3	P.A. Now (θ)	235.3°
Sep first	46.3	Sep last	48.028	Sep. Now (ρ)	48.028"
Mag pri	8.91	Mag sec	9.91	delta mag (ΔM)	1	Spectral class	A2 (white)
Pri motion ra	+000	Sec motion ra	-016
Pri motion dec	-002	Sec motion dec	-010
Notes

rPM=0.948

This double is not physical.

04188-0242 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 27340	131106	04 18 45 -02 41 48	STF 525 AB	2015	18	244	45.3	8.91	10.18	1.27
Show		131106	04 18 45 -02 41 48	STF 525 AC	2015	11	235	48.0	8.91	9.91	1.00		<===
Show			04 18 42 -02 42 08	STF 525 BC	2018	17	170	7.9	10.18	10.70	0.52

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Eridanus		SAO	131106		Tycho2	4729-00139-1		Gaia DR2	3204284716533346432
HD	27340

WDS 04188-0242 STF 525 AC : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
STFA		(F. Struve DD - Appendix list #1)	...................
STFB		(F. Struve DD - Appendix list #2)	...................
StF1833A	Ma -	Struve, F.G.W.	1833MmRAS...5...13H
StF1833A	+Mc	cited by Herschel (MemRAS 5, 13, 1833)
StF1833B	Ma -	Struve, F.G.W.	1833AN.....10..389B
StF1833B		cited by Bessel (AN 10, 389, 1833)
StF1837	Ma -	Struve, F.G.W.	1837AN.....14...249
StF1837		Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837		(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A	Ma -	Struve, F.G.W.	1844QB43.S66.......
StF1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A	Ma -	Struve, F.G.W.	.
StF1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A	Ma -	Struve, F.G.W.	1865AN.....64...81E
StF1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A	Ma -	Struve, F.G.W.	1875AN.....85..323D
StF1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878	Ma -	Struve, F.G.W.	.
StF1878		Pulkova Observations 9, 1878
StF1878B	Ma -	Struve, F.G.W.	1878Obs.....2..239G
StF1878B		cited by Gledhill (Obs 2, 239, 1878)
StF1880A	Ma -	Struve, F.G.W.	1880Obs.....3..535G
StF1880A		cited by Gledhill (Obs 3, 535, 1880)
StF1906A	Ma -	Struve, F.G.W.	1906QB821.B972.....
StF1906A		cited in BDS (Burnham Double Star Cat.), 1906
StF1906B	Ma -	Struve, F.G.W.	1906MmRAS..56....1L
StF1906B		cited by Lewis (MemRAS 56, 1, 1906)
StF1922A	Ma -	Struve, F.G.W.	1922AN....216...49R
StF1922A		cited by Rabe (AN 216, 49, 1922)
StF1932A	Ma -	Struve, F.G.W.	1932QB821.A43......
StF1932A		cited in ADS (Aitken Double Star Cat.), 1932
StF2002	- -	Weis, J.
StF2002		F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002		USNO Library : QB 821 .S8 W49 2002
StF2022	- -	email note from Jan Weis: 6 July 2022
StF9999	Ma -	Struve, F.G.W.	...................
StF9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04188-0242	STF 525	AC	1998	5	235	47.8	8.91	9.50	A2	D	041845.19-024148.3
04188-0242	STF 525	AC	2010	6	235	47.9	8.91	9.50	A2	D	041845.19-024148.3
04188-0242	STF 525	AC	2015	8	235	48.0	8.91	9.91	A2		041845.19-024148.3

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

WDS 04188-0242 STF 525 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04188-0242 STF 525 AC : MEASURES

No records found.

WDS 04188-0242 : 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 04188-0242 : ALADIN DSS IMAGE @ 04^h 18^m 45.19^s -02° 41' 48.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04188-0242 STF 525 AC : 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		04188-0242	STF 525	AB	244	45.3
Show		04188-0242	STF 525	AC	235	48.0
Show		04188-0242	STF 525	BC	170	7.9	1
Show		04198-0228	BAL 29		194	12.0	21
Show		04204-0257	TVB 70		60	14.3	29
Show		04163-0237	TDS2803		258	0.5	37
Show		04217-0300	RST4238		272	0.3	48
Show		04202-0345	YSC 30		113	0.2	68
Show		04143-0245	TDS2792		217	0.6	68
Show		04230-0314	UC 1157		47	63.2	71
Show		04223-0349	BRT 365		306	5.0	86
Show		04205-0119	RST4769		22	0.3	87
Show		04251-0222	UC 1165		281	13.4	98
Show		04134-0139	MCT 4		176	0.7	102
Show		04231-0117	BU 402	AB	76	9.6	108
Show		04231-0117	BU 402	AC	110	31.6	108
Show		04257-0214	BU 403		81	0.9	108
Show		04238-0414	BUG 7		183	0.1	120
Show		04271-0311	RST4240		44	1.5	129
Show		04259-0124	STF 547	CD	228	24.9	130
Show		04222-0441	STF 536		193	1.6	130
Show		04102-0307	TDS2767		234	0.9	131
Show		04102-0217	FIL 10		335	6.7	131
Show		04259-0124	STF 547	AB	119	7.6	133
Show		04259-0124	STF 547	AC	258	214.2	133
Show		04268-0143	UC 1168		257	25.3	135
Show		04087-0241	STF 501		298	28.1	152
Show		04289-0236	BRT 366		272	4.8	152
Show		04233-0500	HJ 342	AB	234	17.4	155
Show		04233-0500	HJ 342	AC	80	22.3	155
Show		04243-0452	RST4239		108	0.8	156
Show		04246-0452	STF 543		193	4.9	158
Show		04101-0413	CVR 47		249	22.1	158
Show		04094-0125	BAL 290		289	5.9	161
Show		04078-0243	GWP 552		171	8.5	165
Show		04138-0509	BWL 14	Aa,Ab	277	0.1	166
Show		04138-0509	BWL 14	AB	108	3.2	166
Show		04130-0503	CVR 450		70	8.7	166
Show		04297-0335	J 709		90	1.7	173
Show		04215-0006	HO 329	AB	50	45.4	173
Show		04215-0006	HO 329	AC	284	198.8	173
Show		04302-0303	PRB 2		140	999.9	174
Show		04303-0306	RST4241		54	2.0	176
Show		04107-0452	A 2801		6	0.2	178
Show		04071-0207	BAL 26		86	6.7	178
Show		04305-0315	RST4242		83	0.8	179
Show		04142-0528	TVB 65		356	11.3	180
Show		04302-0337	J 1087		17	3.0	181
Show		04234-0007	HO 330		20	1.9	183
Show		04150-0538	ZIE 4		93	1.9	185
Show		04236-0534	HJ 2229		243	5.6	187

WDS 04188-0242 : COMPONENTS

	A	B
B	pa=244.5° sep=45.14"
C	pa=235.3° sep=47.99"	pa=170.6° sep=8.05"

04188-0242 A

Name	HD 27340	Coord arcsec 2000	041845.19-024148.3	Mag	8.91	Spectral class	A2 (white)
PmRA	0.00	PmDE	-2.0	SAO	131106	Tycho2	4729-00139-1
HD	27340	DM	BD-03 740

Tycho2

Tycho2	4729-00139-1	Pflag		RAmdeg	64.68829425	DEmdeg	-2.69675298
PmRA	-1.0	PmDE	-3.7	E RAmdeg	8	E DEmdeg	10
E pmRA	1.0	E pmDE	1.1	EpRAm	1990.30	EpDEm	1988.93
Num	10	Q RAmdeg	0.8	Q DEmdeg	0.8	Q pmRA	0.8
Q pmDE	0.7	BTmag	9.098	E BTmag	0.020	VTmag	8.911
E VTmag	0.018	Prox	449	TYC	T	HIP
CCDM		RAdeg	64.68829639	DEdeg	-2.69674444	EpRA 1990	1.72
EpDE 1990	1.41	E RAdeg	8.3	E DEdeg	11.4	Posflg
Corr	-0.1

SAO

SAO	131106	DelFlag		RA1950		PmRA1950	-0.0003
DE1950		PmDE1950	0.003	Vmag	8.9	SpType	A2
Double code		Source	27	CatNum	1101	DM	BD-03 740
DMcomp		BDsup		HD	27340	M HD	0
GC		RA1950rad	1.11805417	DE1950rad	-0.04916742	PmRA2000	0
PmDE2000	0.001

04188-0242 B

Coord arcsec 2000	041842.47-024207.7		Coord calc	041842.47-024207.7		Mag	10.18		PmRA	-16.00
PmDE	-5.0		Tycho2	4729-00243-1		Calc delta mag	1.27

Tycho2

Tycho2	4729-00243-1	Pflag		RAmdeg	64.67698470	DEmdeg	-2.70215161
PmRA	-15.0	PmDE	-7.7	E RAmdeg	24	E DEmdeg	30
E pmRA	1.4	E pmDE	1.4	EpRAm	1987.83	EpDEm	1980.91
Num	4	Q RAmdeg	0.7	Q DEmdeg	1.5	Q pmRA	0.7
Q pmDE	1.5	BTmag	10.773	E BTmag	0.054	VTmag	10.178
E VTmag	0.047	Prox	449	TYC	T	HIP
CCDM		RAdeg	64.67701889	DEdeg	-2.70212472	EpRA 1990	1.73
EpDE 1990	1.38	E RAdeg	25.3	E DEdeg	36.9	Posflg
Corr	0.1

04188-0242 C

Coord arcsec 2000	041842.56-024215.6		Mag	9.91		PmRA	-16.00		PmDE	-10.0
Calc delta mag	1		Calc coord	yes