Exposure
- ID
- GRAVI.2025-07-08T05:59:44.915_2
- Header ID
- GRAVI.2025-07-08T05:59:44.915
- Date updated
- 2025-07-08 06:15:33 UTC+0000
- Release date
- 2026-07-08 06:15:33 UTC+0000
- UTC Start
- 2025-07-08 05:59:44.915
- UTC End
- 2025-07-08 06:05:44.915
- MJD Start
- 60864.24982541
- MJD End
- 60864.253992076665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010356
- Ambient temperature (°C)
- 15.61
- Seeing (arcsec)
- 0.33999999999999997
Observation
- ID
- 68254
- Category
- science
- Program ID
- 115.27WT.003
- 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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
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 | 52.2110 | 51.8670 | 38.7000 | 39.0000 |
| U1-U3 | 92.5130 | 91.7300 | 44.9000 | 45.2000 |
| U1-U4 | 108.0250 | 106.2490 | 75.7900 | 76.3410 |
| U2-U3 | 41.0030 | 40.5570 | 52.8000 | 53.1000 |
| U2-U4 | 73.4960 | 72.2410 | 101.1770 | 102.1670 |
| U3-U4 | 55.4780 | 54.9700 | 134.6980 | 136.0170 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60864.24982541 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416495 |
| DEC | -29.00743 |
| 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 | 52.211 |
| HIERARCH ESO ISS PBL12 END | 51.867 |
| HIERARCH ESO ISS PBLA12 START | 38.7 |
| HIERARCH ESO ISS PBLA12 END | 39.0 |
| HIERARCH ESO ISS PBL13 START | 92.513 |
| HIERARCH ESO ISS PBL13 END | 91.73 |
| HIERARCH ESO ISS PBLA13 START | 44.9 |
| HIERARCH ESO ISS PBLA13 END | 45.2 |
| HIERARCH ESO ISS PBL14 START | 108.025 |
| HIERARCH ESO ISS PBL14 END | 106.249 |
| HIERARCH ESO ISS PBLA14 START | 75.79 |
| HIERARCH ESO ISS PBLA14 END | 76.341 |
| HIERARCH ESO ISS PBL23 START | 41.003 |
| HIERARCH ESO ISS PBL23 END | 40.557 |
| HIERARCH ESO ISS PBLA23 START | 52.8 |
| HIERARCH ESO ISS PBLA23 END | 53.1 |
| HIERARCH ESO ISS PBL24 START | 73.496 |
| HIERARCH ESO ISS PBL24 END | 72.241 |
| HIERARCH ESO ISS PBLA24 START | 101.177 |
| HIERARCH ESO ISS PBLA24 END | 102.167 |
| HIERARCH ESO ISS PBL34 START | 55.478 |
| HIERARCH ESO ISS PBL34 END | 54.97 |
| HIERARCH ESO ISS PBLA34 START | 134.698 |
| HIERARCH ESO ISS PBLA34 END | 136.017 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009887 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010825 |
| HIERARCH ESO ISS AMBI TEMP | 15.61 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.3 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |