Exposure
ID
GRAVI.2025-05-20T02:21:19.837_1
Header ID
GRAVI.2025-05-20T02:21:19.837
Date updated
2025-05-20 02:36:03 UTC+0000
Release date
2026-05-20 02:36:03 UTC+0000
UTC Start
2025-05-20 02:21:19.837
UTC End
2025-05-20 02:24:31.837
MJD Start
60815.09814626
MJD End
60815.10036848223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005281
Ambient temperature (°C)
13.82
Seeing (arcsec)
0.6
Observation
ID
66055
Category
science
Program ID
115.27VK.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
Target
ID
49174
Name
AH_Sco
RA
257.818267
DEC
-32.32521
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 19.2430 19.4250 125.6000 125.8000
A0-D0 26.4360 26.5650 31.1000 32.1000
A0-C1 14.9790 15.2090 89.7700 90.2660
B2-D0 33.8960 33.8940 356.7000 357.2000
B2-C1 11.2910 11.2910 356.6390 357.1730
D0-C1 22.6040 22.6040 176.6810 177.2150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60815.09814626
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V AH Sco
HIERARCH ESO INS SOBJ NAME AH_Sco
RA 257.818267
DEC -32.32521
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 19.243
HIERARCH ESO ISS PBL12 END 19.425
HIERARCH ESO ISS PBLA12 START 125.6
HIERARCH ESO ISS PBLA12 END 125.8
HIERARCH ESO ISS PBL13 START 26.436
HIERARCH ESO ISS PBL13 END 26.565
HIERARCH ESO ISS PBLA13 START 31.1
HIERARCH ESO ISS PBLA13 END 32.1
HIERARCH ESO ISS PBL14 START 14.979
HIERARCH ESO ISS PBL14 END 15.209
HIERARCH ESO ISS PBLA14 START 89.77
HIERARCH ESO ISS PBLA14 END 90.266
HIERARCH ESO ISS PBL23 START 33.896
HIERARCH ESO ISS PBL23 END 33.894
HIERARCH ESO ISS PBLA23 START 356.7
HIERARCH ESO ISS PBLA23 END 357.2
HIERARCH ESO ISS PBL24 START 11.291
HIERARCH ESO ISS PBL24 END 11.291
HIERARCH ESO ISS PBLA24 START 356.639
HIERARCH ESO ISS PBLA24 END 357.173
HIERARCH ESO ISS PBL34 START 22.604
HIERARCH ESO ISS PBL34 END 22.604
HIERARCH ESO ISS PBLA34 START 176.681
HIERARCH ESO ISS PBLA34 END 177.215
HIERARCH ESO ISS AMBI TAU0 START 0.005281
HIERARCH ESO ISS AMBI TAU0 END 0.005281
HIERARCH ESO ISS AMBI TEMP 13.82
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6