Exposure
- ID
- GRAVI.2025-05-12T07:49:37.844_2
- Header ID
- GRAVI.2025-05-12T07:49:37.844
- 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 07:49:37.844
- UTC End
- 2025-05-12 07:55:37.844
- MJD Start
- 60807.32613245
- MJD End
- 60807.330299116664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012546
- Ambient temperature (°C)
- 17.52
- Seeing (arcsec)
- 0.43
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 | 55.9670 | 55.8600 | 30.3000 | 30.9000 |
| U1-U3 | 101.1910 | 100.9430 | 36.7000 | 37.3000 |
| U1-U4 | 128.0890 | 127.5300 | 65.1320 | 65.8040 |
| U2-U3 | 45.9930 | 45.8510 | 44.5000 | 45.1000 |
| U2-U4 | 88.1210 | 87.7170 | 86.3810 | 87.1530 |
| U3-U4 | 62.0200 | 61.8390 | 116.0620 | 116.9310 |
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 | 60807.32613245 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416504 |
| DEC | -29.00752 |
| 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 | 55.967 |
| HIERARCH ESO ISS PBL12 END | 55.86 |
| HIERARCH ESO ISS PBLA12 START | 30.3 |
| HIERARCH ESO ISS PBLA12 END | 30.9 |
| HIERARCH ESO ISS PBL13 START | 101.191 |
| HIERARCH ESO ISS PBL13 END | 100.943 |
| HIERARCH ESO ISS PBLA13 START | 36.7 |
| HIERARCH ESO ISS PBLA13 END | 37.3 |
| HIERARCH ESO ISS PBL14 START | 128.089 |
| HIERARCH ESO ISS PBL14 END | 127.53 |
| HIERARCH ESO ISS PBLA14 START | 65.132 |
| HIERARCH ESO ISS PBLA14 END | 65.804 |
| HIERARCH ESO ISS PBL23 START | 45.993 |
| HIERARCH ESO ISS PBL23 END | 45.851 |
| HIERARCH ESO ISS PBLA23 START | 44.5 |
| HIERARCH ESO ISS PBLA23 END | 45.1 |
| HIERARCH ESO ISS PBL24 START | 88.121 |
| HIERARCH ESO ISS PBL24 END | 87.717 |
| HIERARCH ESO ISS PBLA24 START | 86.381 |
| HIERARCH ESO ISS PBLA24 END | 87.153 |
| HIERARCH ESO ISS PBL34 START | 62.02 |
| HIERARCH ESO ISS PBL34 END | 61.839 |
| HIERARCH ESO ISS PBLA34 START | 116.062 |
| HIERARCH ESO ISS PBLA34 END | 116.931 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010354 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.014738 |
| HIERARCH ESO ISS AMBI TEMP | 17.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |