Exposure
ID
GRAVI.2025-11-24T06:06:29.913_1
Header ID
GRAVI.2025-11-24T06:06:29.913
Date updated
2025-11-24 06:21:29 UTC+0000
Release date
2025-11-24 06:06:29 UTC+0000
UTC Start
2025-11-24 06:06:29.913
UTC End
2025-11-24 06:09:41.913
MJD Start
61003.25451288
MJD End
61003.25673510222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0041624999999999995
Ambient temperature (°C)
14.05
Seeing (arcsec)
0.77
Observation
ID
71840
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
48285
Name
d_Vel
RA
131.096577
DEC
-42.64917
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 38.4850 38.7470 131.4000 131.7000
A0-D0 29.6980 29.7820 36.4000 37.3000
A0-G1 68.1390 68.8370 85.0180 85.6940
B5-D0 50.6010 50.6470 347.2000 347.6000
B5-G1 50.0410 50.3150 51.2000 52.0760
D0-G1 53.3720 53.8980 109.6930 110.1180
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 61003.25451288
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME d Vel
HIERARCH ESO INS SOBJ NAME d_Vel
RA 131.096577
DEC -42.64917
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 38.485
HIERARCH ESO ISS PBL12 END 38.747
HIERARCH ESO ISS PBLA12 START 131.4
HIERARCH ESO ISS PBLA12 END 131.7
HIERARCH ESO ISS PBL13 START 29.698
HIERARCH ESO ISS PBL13 END 29.782
HIERARCH ESO ISS PBLA13 START 36.4
HIERARCH ESO ISS PBLA13 END 37.3
HIERARCH ESO ISS PBL14 START 68.139
HIERARCH ESO ISS PBL14 END 68.837
HIERARCH ESO ISS PBLA14 START 85.018
HIERARCH ESO ISS PBLA14 END 85.694
HIERARCH ESO ISS PBL23 START 50.601
HIERARCH ESO ISS PBL23 END 50.647
HIERARCH ESO ISS PBLA23 START 347.2
HIERARCH ESO ISS PBLA23 END 347.6
HIERARCH ESO ISS PBL24 START 50.041
HIERARCH ESO ISS PBL24 END 50.315
HIERARCH ESO ISS PBLA24 START 51.2
HIERARCH ESO ISS PBLA24 END 52.076
HIERARCH ESO ISS PBL34 START 53.372
HIERARCH ESO ISS PBL34 END 53.898
HIERARCH ESO ISS PBLA34 START 109.693
HIERARCH ESO ISS PBLA34 END 110.118
HIERARCH ESO ISS AMBI TAU0 START 0.004493
HIERARCH ESO ISS AMBI TAU0 END 0.003832
HIERARCH ESO ISS AMBI TEMP 14.05
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.72