Exposure
ID
GRAVI.2025-11-23T07:06:51.006_1
Header ID
GRAVI.2025-11-23T07:06:51.006
Date updated
2025-11-23 07:20:50 UTC+0000
Release date
2025-11-23 07:06:51 UTC+0000
UTC Start
2025-11-23 07:06:51.006
UTC End
2025-11-23 07:10:03.006
MJD Start
61002.29642368
MJD End
61002.29864590223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0051045
Ambient temperature (°C)
12.04
Seeing (arcsec)
0.76
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 42.0470 42.2460 136.2000 136.5000
A0-D0 30.9340 31.0060 48.6000 49.3000
A0-G1 77.7550 78.2950 94.6650 95.2610
B5-D0 51.1270 51.1480 353.3000 353.8000
B5-G1 53.9920 54.2210 63.6090 64.3590
D0-G1 60.5440 60.9450 116.2590 116.7030
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 61002.29642368
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 42.047
HIERARCH ESO ISS PBL12 END 42.246
HIERARCH ESO ISS PBLA12 START 136.2
HIERARCH ESO ISS PBLA12 END 136.5
HIERARCH ESO ISS PBL13 START 30.934
HIERARCH ESO ISS PBL13 END 31.006
HIERARCH ESO ISS PBLA13 START 48.6
HIERARCH ESO ISS PBLA13 END 49.3
HIERARCH ESO ISS PBL14 START 77.755
HIERARCH ESO ISS PBL14 END 78.295
HIERARCH ESO ISS PBLA14 START 94.665
HIERARCH ESO ISS PBLA14 END 95.261
HIERARCH ESO ISS PBL23 START 51.127
HIERARCH ESO ISS PBL23 END 51.148
HIERARCH ESO ISS PBLA23 START 353.3
HIERARCH ESO ISS PBLA23 END 353.8
HIERARCH ESO ISS PBL24 START 53.992
HIERARCH ESO ISS PBL24 END 54.221
HIERARCH ESO ISS PBLA24 START 63.609
HIERARCH ESO ISS PBLA24 END 64.359
HIERARCH ESO ISS PBL34 START 60.544
HIERARCH ESO ISS PBL34 END 60.945
HIERARCH ESO ISS PBLA34 START 116.259
HIERARCH ESO ISS PBLA34 END 116.703
HIERARCH ESO ISS AMBI TAU0 START 0.005329
HIERARCH ESO ISS AMBI TAU0 END 0.00488
HIERARCH ESO ISS AMBI TEMP 12.04
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.77