Exposure
ID
GRAVI.2025-06-24T06:51:31.421_1
Header ID
GRAVI.2025-06-24T06:51:31.421
Date updated
2025-06-24 07:05:43 UTC+0000
Release date
2025-06-24 06:51:31 UTC+0000
UTC Start
2025-06-24 06:51:31.421
UTC End
2025-06-24 06:54:43.421
MJD Start
60850.28578034
MJD End
60850.28800256222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0022960000000000003
Ambient temperature (°C)
11.16
Seeing (arcsec)
0.795
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 24.6600 24.6260 155.9000 156.4000
A0-D0 29.4430 29.2570 80.7000 81.0000
A0-C1 21.1840 21.0920 129.2940 129.8770
B2-D0 33.2260 33.1660 34.8000 35.1000
B2-C1 11.0680 11.0490 34.7900 35.0200
D0-C1 22.1580 22.1180 214.8510 215.0810
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 60850.28578034
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 24.66
HIERARCH ESO ISS PBL12 END 24.626
HIERARCH ESO ISS PBLA12 START 155.9
HIERARCH ESO ISS PBLA12 END 156.4
HIERARCH ESO ISS PBL13 START 29.443
HIERARCH ESO ISS PBL13 END 29.257
HIERARCH ESO ISS PBLA13 START 80.7
HIERARCH ESO ISS PBLA13 END 81.0
HIERARCH ESO ISS PBL14 START 21.184
HIERARCH ESO ISS PBL14 END 21.092
HIERARCH ESO ISS PBLA14 START 129.294
HIERARCH ESO ISS PBLA14 END 129.877
HIERARCH ESO ISS PBL23 START 33.226
HIERARCH ESO ISS PBL23 END 33.166
HIERARCH ESO ISS PBLA23 START 34.8
HIERARCH ESO ISS PBLA23 END 35.1
HIERARCH ESO ISS PBL24 START 11.068
HIERARCH ESO ISS PBL24 END 11.049
HIERARCH ESO ISS PBLA24 START 34.79
HIERARCH ESO ISS PBLA24 END 35.02
HIERARCH ESO ISS PBL34 START 22.158
HIERARCH ESO ISS PBL34 END 22.118
HIERARCH ESO ISS PBLA34 START 214.851
HIERARCH ESO ISS PBLA34 END 215.081
HIERARCH ESO ISS AMBI TAU0 START 0.002239
HIERARCH ESO ISS AMBI TAU0 END 0.002353
HIERARCH ESO ISS AMBI TEMP 11.16
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.78