Exposure
ID
GRAVI.2025-05-19T10:14:06.933_1
Header ID
GRAVI.2025-05-19T10:14:06.933
Date updated
2025-05-19 10:26:12 UTC+0000
Release date
2025-05-19 10:14:06 UTC+0000
UTC Start
2025-05-19 10:14:06.933
UTC End
2025-05-19 10:17:18.933
MJD Start
60814.42646913
MJD End
60814.42869135222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005535
Ambient temperature (°C)
12.61
Seeing (arcsec)
0.76
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 24.1260 24.0990 165.7000 166.4000
A0-D0 25.5730 25.2870 86.0000 86.3000
A0-C1 19.4920 19.3840 140.2810 141.0440
B2-D0 31.8790 31.7730 37.9000 38.0000
B2-C1 10.6210 10.5850 37.8360 37.9650
D0-C1 21.2590 21.1880 217.8920 218.0220
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 60814.42646913
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 24.126
HIERARCH ESO ISS PBL12 END 24.099
HIERARCH ESO ISS PBLA12 START 165.7
HIERARCH ESO ISS PBLA12 END 166.4
HIERARCH ESO ISS PBL13 START 25.573
HIERARCH ESO ISS PBL13 END 25.287
HIERARCH ESO ISS PBLA13 START 86.0
HIERARCH ESO ISS PBLA13 END 86.3
HIERARCH ESO ISS PBL14 START 19.492
HIERARCH ESO ISS PBL14 END 19.384
HIERARCH ESO ISS PBLA14 START 140.281
HIERARCH ESO ISS PBLA14 END 141.044
HIERARCH ESO ISS PBL23 START 31.879
HIERARCH ESO ISS PBL23 END 31.773
HIERARCH ESO ISS PBLA23 START 37.9
HIERARCH ESO ISS PBLA23 END 38.0
HIERARCH ESO ISS PBL24 START 10.621
HIERARCH ESO ISS PBL24 END 10.585
HIERARCH ESO ISS PBLA24 START 37.836
HIERARCH ESO ISS PBLA24 END 37.965
HIERARCH ESO ISS PBL34 START 21.259
HIERARCH ESO ISS PBL34 END 21.188
HIERARCH ESO ISS PBLA34 START 217.892
HIERARCH ESO ISS PBLA34 END 218.022
HIERARCH ESO ISS AMBI TAU0 START 0.006128
HIERARCH ESO ISS AMBI TAU0 END 0.004942
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.83