Exposure
ID
GRAVI.2025-11-24T04:04:53.603_1
Header ID
GRAVI.2025-11-24T04:04:53.603
Date updated
2025-11-24 04:15:58 UTC+0000
Release date
2025-11-24 04:04:53 UTC+0000
UTC Start
2025-11-24 04:04:53.603
UTC End
2025-11-24 04:08:05.603
MJD Start
61003.17006485
MJD End
61003.17228707222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0040704999999999995
Ambient temperature (°C)
13.72
Seeing (arcsec)
0.75
Observation
ID
71845
Category
calibrator
Program ID
116.28P0.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG / ERCOLINO / JANIK
Target
ID
53286
Name
HD_50235
RA
102.715461
DEC
-34.36731
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 40.7150 40.9630 135.2000 135.4000
A0-D0 27.8380 27.9640 36.9000 37.7000
A0-G1 66.0920 66.9110 91.2120 91.7180
B5-D0 52.5470 52.5790 346.8000 347.2000
B5-G1 46.4060 46.7840 53.6670 54.5270
D0-G1 54.7570 55.3070 115.6150 115.8630
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61003.17006485
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715461
DEC -34.36731
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 40.715
HIERARCH ESO ISS PBL12 END 40.963
HIERARCH ESO ISS PBLA12 START 135.2
HIERARCH ESO ISS PBLA12 END 135.4
HIERARCH ESO ISS PBL13 START 27.838
HIERARCH ESO ISS PBL13 END 27.964
HIERARCH ESO ISS PBLA13 START 36.9
HIERARCH ESO ISS PBLA13 END 37.7
HIERARCH ESO ISS PBL14 START 66.092
HIERARCH ESO ISS PBL14 END 66.911
HIERARCH ESO ISS PBLA14 START 91.212
HIERARCH ESO ISS PBLA14 END 91.718
HIERARCH ESO ISS PBL23 START 52.547
HIERARCH ESO ISS PBL23 END 52.579
HIERARCH ESO ISS PBLA23 START 346.8
HIERARCH ESO ISS PBLA23 END 347.2
HIERARCH ESO ISS PBL24 START 46.406
HIERARCH ESO ISS PBL24 END 46.784
HIERARCH ESO ISS PBLA24 START 53.667
HIERARCH ESO ISS PBLA24 END 54.527
HIERARCH ESO ISS PBL34 START 54.757
HIERARCH ESO ISS PBL34 END 55.307
HIERARCH ESO ISS PBLA34 START 115.615
HIERARCH ESO ISS PBLA34 END 115.863
HIERARCH ESO ISS AMBI TAU0 START 0.003548
HIERARCH ESO ISS AMBI TAU0 END 0.004593
HIERARCH ESO ISS AMBI TEMP 13.72
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.73