Exposure
ID
GRAVI.2025-05-22T05:43:52.471_1
Header ID
GRAVI.2025-05-22T05:43:52.471
Date updated
2025-05-22 05:56:05 UTC+0000
Release date
2025-05-22 05:43:52 UTC+0000
UTC Start
2025-05-22 05:43:52.471
UTC End
2025-05-22 05:46:32.471
MJD Start
60817.23880175
MJD End
60817.24065360185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.009271000000000001
Ambient temperature (°C)
14.66
Seeing (arcsec)
0.42500000000000004
Observation
ID
67518
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
50217
Name
eps_Sgr
RA
276.042726
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.2410 65.4520 259.5000 260.0000
K0-D0 93.7400 93.9260 238.9000 239.4000
K0-J3 53.8860 53.9930 324.1910 324.4530
G2-D0 39.9870 39.9870 203.7000 204.1000
G2-J3 64.4290 64.4450 30.4210 30.8650
D0-J3 104.2470 104.2630 27.8540 28.2900
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 60817.23880175
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME eps Sgr
HIERARCH ESO INS SOBJ NAME eps_Sgr
RA 276.042726
DEC -34.38532
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 65.241
HIERARCH ESO ISS PBL12 END 65.452
HIERARCH ESO ISS PBLA12 START 259.5
HIERARCH ESO ISS PBLA12 END 260.0
HIERARCH ESO ISS PBL13 START 93.74
HIERARCH ESO ISS PBL13 END 93.926
HIERARCH ESO ISS PBLA13 START 238.9
HIERARCH ESO ISS PBLA13 END 239.4
HIERARCH ESO ISS PBL14 START 53.886
HIERARCH ESO ISS PBL14 END 53.993
HIERARCH ESO ISS PBLA14 START 324.191
HIERARCH ESO ISS PBLA14 END 324.453
HIERARCH ESO ISS PBL23 START 39.987
HIERARCH ESO ISS PBL23 END 39.987
HIERARCH ESO ISS PBLA23 START 203.7
HIERARCH ESO ISS PBLA23 END 204.1
HIERARCH ESO ISS PBL24 START 64.429
HIERARCH ESO ISS PBL24 END 64.445
HIERARCH ESO ISS PBLA24 START 30.421
HIERARCH ESO ISS PBLA24 END 30.865
HIERARCH ESO ISS PBL34 START 104.247
HIERARCH ESO ISS PBL34 END 104.263
HIERARCH ESO ISS PBLA34 START 27.854
HIERARCH ESO ISS PBLA34 END 28.29
HIERARCH ESO ISS AMBI TAU0 START 0.008618
HIERARCH ESO ISS AMBI TAU0 END 0.009924
HIERARCH ESO ISS AMBI TEMP 14.66
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.4