Exposure
ID
GRAVI.2025-05-19T10:05:42.912_1
Header ID
GRAVI.2025-05-19T10:05:42.912
Date updated
2025-05-19 10:16:09 UTC+0000
Release date
2025-05-19 10:05:42 UTC+0000
UTC Start
2025-05-19 10:05:42.912
UTC End
2025-05-19 10:08:54.912
MJD Start
60814.42063555
MJD End
60814.422857772224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.00654
Ambient temperature (°C)
12.7
Seeing (arcsec)
0.6599999999999999
Observation
ID
66046
Category
calibrator
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
49165
Name
24_Sgr
RA
278.470409
DEC
-24.03232
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 24.1910 24.1620 164.3000 164.9000
A0-D0 26.2010 25.9300 85.3000 85.6000
A0-C1 19.7380 19.6300 138.5880 139.3200
B2-D0 32.1110 32.0120 37.6000 37.7000
B2-C1 10.6980 10.6650 37.5160 37.6610
D0-C1 21.4130 21.3470 217.5730 217.7180
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60814.42063555
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 24 Sgr
HIERARCH ESO INS SOBJ NAME 24_Sgr
RA 278.470409
DEC -24.03232
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 24.191
HIERARCH ESO ISS PBL12 END 24.162
HIERARCH ESO ISS PBLA12 START 164.3
HIERARCH ESO ISS PBLA12 END 164.9
HIERARCH ESO ISS PBL13 START 26.201
HIERARCH ESO ISS PBL13 END 25.93
HIERARCH ESO ISS PBLA13 START 85.3
HIERARCH ESO ISS PBLA13 END 85.6
HIERARCH ESO ISS PBL14 START 19.738
HIERARCH ESO ISS PBL14 END 19.63
HIERARCH ESO ISS PBLA14 START 138.588
HIERARCH ESO ISS PBLA14 END 139.32
HIERARCH ESO ISS PBL23 START 32.111
HIERARCH ESO ISS PBL23 END 32.012
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 37.7
HIERARCH ESO ISS PBL24 START 10.698
HIERARCH ESO ISS PBL24 END 10.665
HIERARCH ESO ISS PBLA24 START 37.516
HIERARCH ESO ISS PBLA24 END 37.661
HIERARCH ESO ISS PBL34 START 21.413
HIERARCH ESO ISS PBL34 END 21.347
HIERARCH ESO ISS PBLA34 START 217.573
HIERARCH ESO ISS PBLA34 END 217.718
HIERARCH ESO ISS AMBI TAU0 START 0.006036
HIERARCH ESO ISS AMBI TAU0 END 0.007044
HIERARCH ESO ISS AMBI TEMP 12.7
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.63