Exposure
- ID
- GRAVI.2025-05-12T06:35:40.655_2
- Header ID
- GRAVI.2025-05-12T06:35:40.655
- Date updated
- 2025-05-12 19:45:47 UTC+0000
- Release date
- 2026-05-12 19:45:45 UTC+0000
- UTC Start
- 2025-05-12 06:35:40.655
- UTC End
- 2025-05-12 06:41:40.655
- MJD Start
- 60807.2747761
- MJD End
- 60807.278942766665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009891
- Ambient temperature (°C)
- 17.68
- Seeing (arcsec)
- 0.445
Observation
- ID
- 67241
- Category
- science
- Program ID
- 115.27WT.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 / 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
- 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 | 56.5500 | 56.5370 | 22.5000 | 23.2000 |
| U1-U3 | 102.4340 | 102.4240 | 28.7000 | 29.5000 |
| U1-U4 | 129.9220 | 130.0730 | 56.5280 | 57.3530 |
| U2-U3 | 46.6340 | 46.6410 | 36.4000 | 37.2000 |
| U2-U4 | 88.9010 | 89.1090 | 77.3950 | 78.2060 |
| U3-U4 | 61.8340 | 62.0260 | 107.0730 | 107.7990 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60807.2747761 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416276 |
| DEC | -29.00744 |
| 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 | 56.55 |
| HIERARCH ESO ISS PBL12 END | 56.537 |
| HIERARCH ESO ISS PBLA12 START | 22.5 |
| HIERARCH ESO ISS PBLA12 END | 23.2 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.424 |
| HIERARCH ESO ISS PBLA13 START | 28.7 |
| HIERARCH ESO ISS PBLA13 END | 29.5 |
| HIERARCH ESO ISS PBL14 START | 129.922 |
| HIERARCH ESO ISS PBL14 END | 130.073 |
| HIERARCH ESO ISS PBLA14 START | 56.528 |
| HIERARCH ESO ISS PBLA14 END | 57.353 |
| HIERARCH ESO ISS PBL23 START | 46.634 |
| HIERARCH ESO ISS PBL23 END | 46.641 |
| HIERARCH ESO ISS PBLA23 START | 36.4 |
| HIERARCH ESO ISS PBLA23 END | 37.2 |
| HIERARCH ESO ISS PBL24 START | 88.901 |
| HIERARCH ESO ISS PBL24 END | 89.109 |
| HIERARCH ESO ISS PBLA24 START | 77.395 |
| HIERARCH ESO ISS PBLA24 END | 78.206 |
| HIERARCH ESO ISS PBL34 START | 61.834 |
| HIERARCH ESO ISS PBL34 END | 62.026 |
| HIERARCH ESO ISS PBLA34 START | 107.073 |
| HIERARCH ESO ISS PBLA34 END | 107.799 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009811 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009971 |
| HIERARCH ESO ISS AMBI TEMP | 17.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |