Exposure
ID
GRAVI.2025-11-25T05:43:05.240_1
Header ID
GRAVI.2025-11-25T05:43:05.240
Date updated
2025-11-25 05:55:56 UTC+0000
Release date
2025-11-25 05:43:05 UTC+0000
UTC Start
2025-11-25 05:43:05.240
UTC End
2025-11-25 05:46:17.240
MJD Start
61004.23825509
MJD End
61004.240477312225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0083085
Ambient temperature (°C)
12.3
Seeing (arcsec)
0.4
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 37.0280 37.3140 130.0000 130.2000
A0-D0 29.2610 29.3430 31.8000 32.7000
A0-G1 64.3090 65.0530 81.3060 82.0320
B5-D0 50.3270 50.3830 345.1000 345.5000
B5-G1 48.5830 48.8590 46.4020 47.3370
D0-G1 50.4530 51.0240 107.4620 107.8860
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 61004.23825509
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 37.028
HIERARCH ESO ISS PBL12 END 37.314
HIERARCH ESO ISS PBLA12 START 130.0
HIERARCH ESO ISS PBLA12 END 130.2
HIERARCH ESO ISS PBL13 START 29.261
HIERARCH ESO ISS PBL13 END 29.343
HIERARCH ESO ISS PBLA13 START 31.8
HIERARCH ESO ISS PBLA13 END 32.7
HIERARCH ESO ISS PBL14 START 64.309
HIERARCH ESO ISS PBL14 END 65.053
HIERARCH ESO ISS PBLA14 START 81.306
HIERARCH ESO ISS PBLA14 END 82.032
HIERARCH ESO ISS PBL23 START 50.327
HIERARCH ESO ISS PBL23 END 50.383
HIERARCH ESO ISS PBLA23 START 345.1
HIERARCH ESO ISS PBLA23 END 345.5
HIERARCH ESO ISS PBL24 START 48.583
HIERARCH ESO ISS PBL24 END 48.859
HIERARCH ESO ISS PBLA24 START 46.402
HIERARCH ESO ISS PBLA24 END 47.337
HIERARCH ESO ISS PBL34 START 50.453
HIERARCH ESO ISS PBL34 END 51.024
HIERARCH ESO ISS PBLA34 START 107.462
HIERARCH ESO ISS PBLA34 END 107.886
HIERARCH ESO ISS AMBI TAU0 START 0.008312
HIERARCH ESO ISS AMBI TAU0 END 0.008305
HIERARCH ESO ISS AMBI TEMP 12.3
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4