Exposure
- ID
- GRAVI.2025-03-17T09:58:39.585_2
- Header ID
- GRAVI.2025-03-17T09:58:39.585
- Date updated
- 2025-03-17 10:15:55 UTC+0000
- Release date
- 2026-03-17 10:15:55 UTC+0000
- UTC Start
- 2025-03-17 09:58:39.585
- UTC End
- 2025-03-17 10:04:39.585
- MJD Start
- 60751.41573594
- MJD End
- 60751.41990260666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009269
- Ambient temperature (°C)
- 14.93
- Seeing (arcsec)
- 0.57
Observation
- ID
- 65080
- Category
- science
- Program ID
- 114.270V.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5590 | 56.5590 | 20.4000 | 21.2000 |
| U1-U3 | 102.3940 | 102.4200 | 26.6000 | 27.4000 |
| U1-U4 | 129.2640 | 129.5540 | 54.2440 | 55.1210 |
| U2-U3 | 46.5700 | 46.6020 | 34.2000 | 35.0000 |
| U2-U4 | 88.1020 | 88.4440 | 75.1860 | 76.0300 |
| U3-U4 | 61.1500 | 61.4380 | 105.1750 | 105.8870 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60751.41573594 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417254 |
| DEC | -29.00788 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.4 |
| HIERARCH ESO ISS PBLA12 END | 21.2 |
| HIERARCH ESO ISS PBL13 START | 102.394 |
| HIERARCH ESO ISS PBL13 END | 102.42 |
| HIERARCH ESO ISS PBLA13 START | 26.6 |
| HIERARCH ESO ISS PBLA13 END | 27.4 |
| HIERARCH ESO ISS PBL14 START | 129.264 |
| HIERARCH ESO ISS PBL14 END | 129.554 |
| HIERARCH ESO ISS PBLA14 START | 54.244 |
| HIERARCH ESO ISS PBLA14 END | 55.121 |
| HIERARCH ESO ISS PBL23 START | 46.57 |
| HIERARCH ESO ISS PBL23 END | 46.602 |
| HIERARCH ESO ISS PBLA23 START | 34.2 |
| HIERARCH ESO ISS PBLA23 END | 35.0 |
| HIERARCH ESO ISS PBL24 START | 88.102 |
| HIERARCH ESO ISS PBL24 END | 88.444 |
| HIERARCH ESO ISS PBLA24 START | 75.186 |
| HIERARCH ESO ISS PBLA24 END | 76.03 |
| HIERARCH ESO ISS PBL34 START | 61.15 |
| HIERARCH ESO ISS PBL34 END | 61.438 |
| HIERARCH ESO ISS PBLA34 START | 105.175 |
| HIERARCH ESO ISS PBLA34 END | 105.887 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009269 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009269 |
| HIERARCH ESO ISS AMBI TEMP | 14.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |