Exposure
ID
GRAVI.2025-06-18T05:08:36.057_1
Header ID
GRAVI.2025-06-18T05:08:36.057
Date updated
2025-06-18 05:15:54 UTC+0000
Release date
2026-06-18 05:15:54 UTC+0000
UTC Start
2025-06-18 05:08:36.057
UTC End
2025-06-18 05:11:16.057
MJD Start
60844.21430622
MJD End
60844.21615807185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0028069999999999996
Ambient temperature (°C)
6.41
Seeing (arcsec)
0.8300000000000001
Observation
ID
67611
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
50282
Name
FR_Sct
RA
275.842687
DEC
-12.68106
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.4010 90.3450 114.8000 115.0000
A0-J2 129.1490 129.1980 92.2000 92.3000
A0-K0 127.1820 127.3440 70.7310 70.9200
G1-J2 57.5080 57.6000 54.9000 55.1000
G1-K0 88.5360 88.6370 25.4320 25.7320
J2-K0 47.7050 47.6830 349.1250 349.4310
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 60844.21430622
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V FR Sct
HIERARCH ESO INS SOBJ NAME FR_Sct
RA 275.842687
DEC -12.68106
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.401
HIERARCH ESO ISS PBL12 END 90.345
HIERARCH ESO ISS PBLA12 START 114.8
HIERARCH ESO ISS PBLA12 END 115.0
HIERARCH ESO ISS PBL13 START 129.149
HIERARCH ESO ISS PBL13 END 129.198
HIERARCH ESO ISS PBLA13 START 92.2
HIERARCH ESO ISS PBLA13 END 92.3
HIERARCH ESO ISS PBL14 START 127.182
HIERARCH ESO ISS PBL14 END 127.344
HIERARCH ESO ISS PBLA14 START 70.731
HIERARCH ESO ISS PBLA14 END 70.92
HIERARCH ESO ISS PBL23 START 57.508
HIERARCH ESO ISS PBL23 END 57.6
HIERARCH ESO ISS PBLA23 START 54.9
HIERARCH ESO ISS PBLA23 END 55.1
HIERARCH ESO ISS PBL24 START 88.536
HIERARCH ESO ISS PBL24 END 88.637
HIERARCH ESO ISS PBLA24 START 25.432
HIERARCH ESO ISS PBLA24 END 25.732
HIERARCH ESO ISS PBL34 START 47.705
HIERARCH ESO ISS PBL34 END 47.683
HIERARCH ESO ISS PBLA34 START 349.125
HIERARCH ESO ISS PBLA34 END 349.431
HIERARCH ESO ISS AMBI TAU0 START 0.002753
HIERARCH ESO ISS AMBI TAU0 END 0.002861
HIERARCH ESO ISS AMBI TEMP 6.41
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.75