Exposure
ID
GRAVI.2025-08-24T09:36:44.792_1
Header ID
GRAVI.2025-08-24T09:36:44.792
Date updated
2025-08-24 09:50:42 UTC+0000
Release date
2026-08-24 09:50:42 UTC+0000
UTC Start
2025-08-24 09:36:44.792
UTC End
2025-08-24 09:40:44.792
MJD Start
60911.40051843
MJD End
60911.403296207776
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0026075
Ambient temperature (°C)
3.59
Seeing (arcsec)
1.115
Observation
ID
70107
Category
science
Program ID
115.27Z4.001
Program Title
ARE SYMBIOTIC BINARIES WITH ELLIPSOIDAL VARIABILITY REALLY ROCHE LOBE FILLING OR IT IS JUST WIND?
Program Type
Normal
PI / COI
MERC / BOFFIN
Target
ID
52014
Name
V1261_Ori
RA
80.576832
DEC
-8.66614
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.4820 48.5250 143.0000 143.1000
A0-J2 108.3990 109.6970 87.4000 87.6000
A0-J6 153.4300 153.6660 9.7260 10.3870
B5-J2 90.2980 91.3760 61.2000 61.7000
B5-J6 189.9600 189.9440 359.0140 359.5640
J2-J6 167.9570 167.9300 330.6360 330.8150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27Z4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60911.40051843
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V1261 Ori
HIERARCH ESO INS SOBJ NAME V1261_Ori
RA 80.576832
DEC -8.66614
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 260.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 24
HIERARCH ESO ISS PBL12 START 48.482
HIERARCH ESO ISS PBL12 END 48.525
HIERARCH ESO ISS PBLA12 START 143.0
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 108.399
HIERARCH ESO ISS PBL13 END 109.697
HIERARCH ESO ISS PBLA13 START 87.4
HIERARCH ESO ISS PBLA13 END 87.6
HIERARCH ESO ISS PBL14 START 153.43
HIERARCH ESO ISS PBL14 END 153.666
HIERARCH ESO ISS PBLA14 START 9.726
HIERARCH ESO ISS PBLA14 END 10.387
HIERARCH ESO ISS PBL23 START 90.298
HIERARCH ESO ISS PBL23 END 91.376
HIERARCH ESO ISS PBLA23 START 61.2
HIERARCH ESO ISS PBLA23 END 61.7
HIERARCH ESO ISS PBL24 START 189.96
HIERARCH ESO ISS PBL24 END 189.944
HIERARCH ESO ISS PBLA24 START 359.014
HIERARCH ESO ISS PBLA24 END 359.564
HIERARCH ESO ISS PBL34 START 167.957
HIERARCH ESO ISS PBL34 END 167.93
HIERARCH ESO ISS PBLA34 START 330.636
HIERARCH ESO ISS PBLA34 END 330.815
HIERARCH ESO ISS AMBI TAU0 START 0.002481
HIERARCH ESO ISS AMBI TAU0 END 0.002734
HIERARCH ESO ISS AMBI TEMP 3.59
HIERARCH ESO ISS AMBI FWHM START 1.13
HIERARCH ESO ISS AMBI FWHM END 1.1