Exposure
- ID
- GRAVI.2025-05-12T09:51:26.154_2
- Header ID
- GRAVI.2025-05-12T09:51:26.154
- Date updated
- 2025-05-12 19:55:49 UTC+0000
- Release date
- 2026-05-12 19:55:45 UTC+0000
- UTC Start
- 2025-05-12 09:51:26.154
- UTC End
- 2025-05-12 09:57:26.154
- MJD Start
- 60807.41071937
- MJD End
- 60807.41488603666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0091555
- Ambient temperature (°C)
- 17.47
- Seeing (arcsec)
- 0.5
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 | 51.8070 | 51.4480 | 39.0000 | 39.3000 |
| U1-U3 | 91.5940 | 90.7760 | 45.2000 | 45.5000 |
| U1-U4 | 105.9400 | 104.0970 | 76.4340 | 76.9780 |
| U2-U3 | 40.4790 | 40.0140 | 53.2000 | 53.5000 |
| U2-U4 | 72.0230 | 70.7310 | 102.3380 | 103.3560 |
| U3-U4 | 54.8830 | 54.3740 | 136.2450 | 137.5980 |
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 | 60807.41071937 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416471 |
| DEC | -29.00751 |
| 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 | 51.807 |
| HIERARCH ESO ISS PBL12 END | 51.448 |
| HIERARCH ESO ISS PBLA12 START | 39.0 |
| HIERARCH ESO ISS PBLA12 END | 39.3 |
| HIERARCH ESO ISS PBL13 START | 91.594 |
| HIERARCH ESO ISS PBL13 END | 90.776 |
| HIERARCH ESO ISS PBLA13 START | 45.2 |
| HIERARCH ESO ISS PBLA13 END | 45.5 |
| HIERARCH ESO ISS PBL14 START | 105.94 |
| HIERARCH ESO ISS PBL14 END | 104.097 |
| HIERARCH ESO ISS PBLA14 START | 76.434 |
| HIERARCH ESO ISS PBLA14 END | 76.978 |
| HIERARCH ESO ISS PBL23 START | 40.479 |
| HIERARCH ESO ISS PBL23 END | 40.014 |
| HIERARCH ESO ISS PBLA23 START | 53.2 |
| HIERARCH ESO ISS PBLA23 END | 53.5 |
| HIERARCH ESO ISS PBL24 START | 72.023 |
| HIERARCH ESO ISS PBL24 END | 70.731 |
| HIERARCH ESO ISS PBLA24 START | 102.338 |
| HIERARCH ESO ISS PBLA24 END | 103.356 |
| HIERARCH ESO ISS PBL34 START | 54.883 |
| HIERARCH ESO ISS PBL34 END | 54.374 |
| HIERARCH ESO ISS PBLA34 START | 136.245 |
| HIERARCH ESO ISS PBLA34 END | 137.598 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009541 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00877 |
| HIERARCH ESO ISS AMBI TEMP | 17.47 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |