Exposure
ID
GRAVI.2025-11-23T06:58:41.985_1
Header ID
GRAVI.2025-11-23T06:58:41.985
Date updated
2025-11-23 07:10:51 UTC+0000
Release date
2025-11-23 06:58:41 UTC+0000
UTC Start
2025-11-23 06:58:41.985
UTC End
2025-11-23 07:01:53.985
MJD Start
61002.29076372
MJD End
61002.29298594222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0048485
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.8049999999999999
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 41.5920 41.8000 135.4000 135.7000
A0-D0 30.7680 30.8440 46.9000 47.7000
A0-G1 76.5160 77.0840 93.3400 93.9420
B5-D0 51.0730 51.0980 352.4000 352.8000
B5-G1 53.4680 53.7080 61.9320 62.6960
D0-G1 59.6270 60.0480 115.2930 115.7300
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 61002.29076372
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 41.592
HIERARCH ESO ISS PBL12 END 41.8
HIERARCH ESO ISS PBLA12 START 135.4
HIERARCH ESO ISS PBLA12 END 135.7
HIERARCH ESO ISS PBL13 START 30.768
HIERARCH ESO ISS PBL13 END 30.844
HIERARCH ESO ISS PBLA13 START 46.9
HIERARCH ESO ISS PBLA13 END 47.7
HIERARCH ESO ISS PBL14 START 76.516
HIERARCH ESO ISS PBL14 END 77.084
HIERARCH ESO ISS PBLA14 START 93.34
HIERARCH ESO ISS PBLA14 END 93.942
HIERARCH ESO ISS PBL23 START 51.073
HIERARCH ESO ISS PBL23 END 51.098
HIERARCH ESO ISS PBLA23 START 352.4
HIERARCH ESO ISS PBLA23 END 352.8
HIERARCH ESO ISS PBL24 START 53.468
HIERARCH ESO ISS PBL24 END 53.708
HIERARCH ESO ISS PBLA24 START 61.932
HIERARCH ESO ISS PBLA24 END 62.696
HIERARCH ESO ISS PBL34 START 59.627
HIERARCH ESO ISS PBL34 END 60.048
HIERARCH ESO ISS PBLA34 START 115.293
HIERARCH ESO ISS PBLA34 END 115.73
HIERARCH ESO ISS AMBI TAU0 START 0.00394
HIERARCH ESO ISS AMBI TAU0 END 0.005757
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.77