Exposure
ID
GRAVI.2025-11-21T07:12:20.469_1
Header ID
GRAVI.2025-11-21T07:12:20.469
Date updated
2025-11-21 07:25:43 UTC+0000
Release date
2026-11-21 07:25:42 UTC+0000
UTC Start
2025-11-21 07:12:20.469
UTC End
2025-11-21 07:15:32.469
MJD Start
61000.30023691
MJD End
61000.302459132225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0012715
Ambient temperature (°C)
12.39
Seeing (arcsec)
1.6400000000000001
Observation
ID
71817
Category
science
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
53316
Name
V_WY_Vel
RA
140.492676
DEC
-52.56432
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 18.6740 18.8250 114.5000 115.0000
A0-D0 31.2710 31.3120 38.3000 39.2000
A0-C1 18.0450 18.1760 80.3880 81.1930
B2-D0 32.3470 32.3390 4.3000 4.8000
B2-C1 10.7730 10.7710 4.2270 4.7860
D0-C1 21.5730 21.5680 184.2790 184.8380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61000.30023691
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V WY Vel
HIERARCH ESO INS SOBJ NAME V_WY_Vel
RA 140.492676
DEC -52.56432
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 18.674
HIERARCH ESO ISS PBL12 END 18.825
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 115.0
HIERARCH ESO ISS PBL13 START 31.271
HIERARCH ESO ISS PBL13 END 31.312
HIERARCH ESO ISS PBLA13 START 38.3
HIERARCH ESO ISS PBLA13 END 39.2
HIERARCH ESO ISS PBL14 START 18.045
HIERARCH ESO ISS PBL14 END 18.176
HIERARCH ESO ISS PBLA14 START 80.388
HIERARCH ESO ISS PBLA14 END 81.193
HIERARCH ESO ISS PBL23 START 32.347
HIERARCH ESO ISS PBL23 END 32.339
HIERARCH ESO ISS PBLA23 START 4.3
HIERARCH ESO ISS PBLA23 END 4.8
HIERARCH ESO ISS PBL24 START 10.773
HIERARCH ESO ISS PBL24 END 10.771
HIERARCH ESO ISS PBLA24 START 4.227
HIERARCH ESO ISS PBLA24 END 4.786
HIERARCH ESO ISS PBL34 START 21.573
HIERARCH ESO ISS PBL34 END 21.568
HIERARCH ESO ISS PBLA34 START 184.279
HIERARCH ESO ISS PBLA34 END 184.838
HIERARCH ESO ISS AMBI TAU0 START 0.001315
HIERARCH ESO ISS AMBI TAU0 END 0.001228
HIERARCH ESO ISS AMBI TEMP 12.39
HIERARCH ESO ISS AMBI FWHM START 1.8
HIERARCH ESO ISS AMBI FWHM END 1.48