Exposure
- ID
- GRAVI.2025-05-12T09:36:02.114_2
- Header ID
- GRAVI.2025-05-12T09:36:02.114
- 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 09:36:02.114
- UTC End
- 2025-05-12 09:42:02.114
- MJD Start
- 60807.40002447
- MJD End
- 60807.404191136666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008668499999999999
- Ambient temperature (°C)
- 17.5
- Seeing (arcsec)
- 0.33999999999999997
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 | 52.6070 | 52.2820 | 38.3000 | 38.6000 |
| U1-U3 | 93.4200 | 92.6750 | 44.5000 | 44.8000 |
| U1-U4 | 110.0870 | 108.3920 | 75.1190 | 75.6730 |
| U2-U3 | 41.5210 | 41.0960 | 52.4000 | 52.8000 |
| U2-U4 | 74.9640 | 73.7560 | 100.0120 | 100.9710 |
| U3-U4 | 56.0840 | 55.5840 | 133.1460 | 134.4240 |
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 | 60807.40002447 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416461 |
| DEC | -29.00753 |
| 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 | 52.607 |
| HIERARCH ESO ISS PBL12 END | 52.282 |
| HIERARCH ESO ISS PBLA12 START | 38.3 |
| HIERARCH ESO ISS PBLA12 END | 38.6 |
| HIERARCH ESO ISS PBL13 START | 93.42 |
| HIERARCH ESO ISS PBL13 END | 92.675 |
| HIERARCH ESO ISS PBLA13 START | 44.5 |
| HIERARCH ESO ISS PBLA13 END | 44.8 |
| HIERARCH ESO ISS PBL14 START | 110.087 |
| HIERARCH ESO ISS PBL14 END | 108.392 |
| HIERARCH ESO ISS PBLA14 START | 75.119 |
| HIERARCH ESO ISS PBLA14 END | 75.673 |
| HIERARCH ESO ISS PBL23 START | 41.521 |
| HIERARCH ESO ISS PBL23 END | 41.096 |
| HIERARCH ESO ISS PBLA23 START | 52.4 |
| HIERARCH ESO ISS PBLA23 END | 52.8 |
| HIERARCH ESO ISS PBL24 START | 74.964 |
| HIERARCH ESO ISS PBL24 END | 73.756 |
| HIERARCH ESO ISS PBLA24 START | 100.012 |
| HIERARCH ESO ISS PBLA24 END | 100.971 |
| HIERARCH ESO ISS PBL34 START | 56.084 |
| HIERARCH ESO ISS PBL34 END | 55.584 |
| HIERARCH ESO ISS PBLA34 START | 133.146 |
| HIERARCH ESO ISS PBLA34 END | 134.424 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011231 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006106 |
| HIERARCH ESO ISS AMBI TEMP | 17.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.27 |
| 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 |