Exposure
- ID
- GRAVI.2025-03-17T08:01:09.286_2
- Header ID
- GRAVI.2025-03-17T08:01:09.286
- Date updated
- 2025-03-17 08:15:38 UTC+0000
- Release date
- 2026-03-17 08:15:38 UTC+0000
- UTC Start
- 2025-03-17 08:01:09.286
- UTC End
- 2025-03-17 08:07:09.286
- MJD Start
- 60751.33413526
- MJD End
- 60751.33830192666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008528
- Ambient temperature (°C)
- 14.91
- Seeing (arcsec)
- 0.525
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 | 56.2550 | 56.2680 | 4.5000 | 5.4000 |
| U1-U3 | 100.9610 | 101.0360 | 9.6000 | 10.6000 |
| U1-U4 | 117.9900 | 118.7590 | 34.3610 | 35.6790 |
| U2-U3 | 45.2140 | 45.2940 | 16.0000 | 17.1000 |
| U2-U4 | 74.6700 | 75.6760 | 56.4050 | 57.6880 |
| U3-U4 | 49.7650 | 50.6820 | 92.4720 | 93.2060 |
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 | 60751.33413526 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417252 |
| DEC | -29.00786 |
| 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 | 56.255 |
| HIERARCH ESO ISS PBL12 END | 56.268 |
| HIERARCH ESO ISS PBLA12 START | 4.5 |
| HIERARCH ESO ISS PBLA12 END | 5.4 |
| HIERARCH ESO ISS PBL13 START | 100.961 |
| HIERARCH ESO ISS PBL13 END | 101.036 |
| HIERARCH ESO ISS PBLA13 START | 9.6 |
| HIERARCH ESO ISS PBLA13 END | 10.6 |
| HIERARCH ESO ISS PBL14 START | 117.99 |
| HIERARCH ESO ISS PBL14 END | 118.759 |
| HIERARCH ESO ISS PBLA14 START | 34.361 |
| HIERARCH ESO ISS PBLA14 END | 35.679 |
| HIERARCH ESO ISS PBL23 START | 45.214 |
| HIERARCH ESO ISS PBL23 END | 45.294 |
| HIERARCH ESO ISS PBLA23 START | 16.0 |
| HIERARCH ESO ISS PBLA23 END | 17.1 |
| HIERARCH ESO ISS PBL24 START | 74.67 |
| HIERARCH ESO ISS PBL24 END | 75.676 |
| HIERARCH ESO ISS PBLA24 START | 56.405 |
| HIERARCH ESO ISS PBLA24 END | 57.688 |
| HIERARCH ESO ISS PBL34 START | 49.765 |
| HIERARCH ESO ISS PBL34 END | 50.682 |
| HIERARCH ESO ISS PBLA34 START | 92.472 |
| HIERARCH ESO ISS PBLA34 END | 93.206 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00856 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008496 |
| HIERARCH ESO ISS AMBI TEMP | 14.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |