Exposure
- ID
- GRAVI.2025-03-18T10:01:44.227_2
- Header ID
- GRAVI.2025-03-18T10:01:44.227
- Date updated
- 2025-03-18 10:20:36 UTC+0000
- Release date
- 2026-03-18 10:20:36 UTC+0000
- UTC Start
- 2025-03-18 10:01:44.227
- UTC End
- 2025-03-18 10:07:44.227
- MJD Start
- 60752.417873
- MJD End
- 60752.422039666664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005769
- Ambient temperature (°C)
- 15.79
- Seeing (arcsec)
- 0.6
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 | 56.5550 | 21.3000 | 22.0000 |
| U1-U3 | 102.4210 | 102.4330 | 27.5000 | 28.3000 |
| U1-U4 | 129.5770 | 129.8110 | 55.1970 | 56.0560 |
| U2-U3 | 46.6040 | 46.6260 | 35.1000 | 35.9000 |
| U2-U4 | 88.4720 | 88.7600 | 76.1030 | 76.9350 |
| U3-U4 | 61.4610 | 61.7090 | 105.9490 | 106.6690 |
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 | 60752.417873 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417204 |
| DEC | -29.00782 |
| 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 | 56.555 |
| HIERARCH ESO ISS PBLA12 START | 21.3 |
| HIERARCH ESO ISS PBLA12 END | 22.0 |
| HIERARCH ESO ISS PBL13 START | 102.421 |
| HIERARCH ESO ISS PBL13 END | 102.433 |
| HIERARCH ESO ISS PBLA13 START | 27.5 |
| HIERARCH ESO ISS PBLA13 END | 28.3 |
| HIERARCH ESO ISS PBL14 START | 129.577 |
| HIERARCH ESO ISS PBL14 END | 129.811 |
| HIERARCH ESO ISS PBLA14 START | 55.197 |
| HIERARCH ESO ISS PBLA14 END | 56.056 |
| HIERARCH ESO ISS PBL23 START | 46.604 |
| HIERARCH ESO ISS PBL23 END | 46.626 |
| HIERARCH ESO ISS PBLA23 START | 35.1 |
| HIERARCH ESO ISS PBLA23 END | 35.9 |
| HIERARCH ESO ISS PBL24 START | 88.472 |
| HIERARCH ESO ISS PBL24 END | 88.76 |
| HIERARCH ESO ISS PBLA24 START | 76.103 |
| HIERARCH ESO ISS PBLA24 END | 76.935 |
| HIERARCH ESO ISS PBL34 START | 61.461 |
| HIERARCH ESO ISS PBL34 END | 61.709 |
| HIERARCH ESO ISS PBLA34 START | 105.949 |
| HIERARCH ESO ISS PBLA34 END | 106.669 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005769 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005769 |
| HIERARCH ESO ISS AMBI TEMP | 15.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |