Exposure
ID
GRAVI.2025-08-24T08:55:08.687_1
Header ID
GRAVI.2025-08-24T08:55:08.687
Date updated
2025-08-24 09:10:50 UTC+0000
Release date
2025-08-24 08:55:08 UTC+0000
UTC Start
2025-08-24 08:55:08.687
UTC End
2025-08-24 08:59:08.687
MJD Start
60911.37162832
MJD End
60911.37440609778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0043105
Ambient temperature (°C)
3.96
Seeing (arcsec)
0.9450000000000001
Observation
ID
70106
Category
calibrator
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
52013
Name
HD_35642
RA
81.461608
DEC
-10.28334
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 47.4240 47.5450 142.4000 142.4000
A0-J2 92.9880 94.6360 83.6000 83.9000
A0-J6 153.9470 154.0150 2.5720 3.2600
B5-J2 79.5100 80.6810 52.9000 53.7000
B5-J6 192.6080 192.4840 353.4250 353.9540
J2-J6 166.9640 167.1310 329.2040 329.3000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27Z4.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60911.37162832
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 35642
HIERARCH ESO INS SOBJ NAME HD_35642
RA 81.461608
DEC -10.28334
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 47.424
HIERARCH ESO ISS PBL12 END 47.545
HIERARCH ESO ISS PBLA12 START 142.4
HIERARCH ESO ISS PBLA12 END 142.4
HIERARCH ESO ISS PBL13 START 92.988
HIERARCH ESO ISS PBL13 END 94.636
HIERARCH ESO ISS PBLA13 START 83.6
HIERARCH ESO ISS PBLA13 END 83.9
HIERARCH ESO ISS PBL14 START 153.947
HIERARCH ESO ISS PBL14 END 154.015
HIERARCH ESO ISS PBLA14 START 2.572
HIERARCH ESO ISS PBLA14 END 3.26
HIERARCH ESO ISS PBL23 START 79.51
HIERARCH ESO ISS PBL23 END 80.681
HIERARCH ESO ISS PBLA23 START 52.9
HIERARCH ESO ISS PBLA23 END 53.7
HIERARCH ESO ISS PBL24 START 192.608
HIERARCH ESO ISS PBL24 END 192.484
HIERARCH ESO ISS PBLA24 START 353.425
HIERARCH ESO ISS PBLA24 END 353.954
HIERARCH ESO ISS PBL34 START 166.964
HIERARCH ESO ISS PBL34 END 167.131
HIERARCH ESO ISS PBLA34 START 329.204
HIERARCH ESO ISS PBLA34 END 329.3
HIERARCH ESO ISS AMBI TAU0 START 0.004489
HIERARCH ESO ISS AMBI TAU0 END 0.004132
HIERARCH ESO ISS AMBI TEMP 3.96
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.98