Exposure
- ID
- GRAVI.2025-05-12T07:05:22.731_2
- Header ID
- GRAVI.2025-05-12T07:05:22.731
- 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 07:05:22.731
- UTC End
- 2025-05-12 07:11:22.731
- MJD Start
- 60807.29540198
- MJD End
- 60807.29956864667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009479000000000001
- Ambient temperature (°C)
- 17.63
- Seeing (arcsec)
- 0.45499999999999996
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 | 56.4400 | 56.3970 | 25.8000 | 26.5000 |
| U1-U3 | 102.2500 | 102.1590 | 32.2000 | 32.9000 |
| U1-U4 | 130.1500 | 130.0350 | 60.2050 | 60.9640 |
| U2-U3 | 46.5750 | 46.5300 | 39.9000 | 40.6000 |
| U2-U4 | 89.4290 | 89.3950 | 81.0740 | 81.8590 |
| U3-U4 | 62.4320 | 62.4670 | 110.4990 | 111.2750 |
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 | 60807.29540198 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416323 |
| DEC | -29.00739 |
| 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 | 56.44 |
| HIERARCH ESO ISS PBL12 END | 56.397 |
| HIERARCH ESO ISS PBLA12 START | 25.8 |
| HIERARCH ESO ISS PBLA12 END | 26.5 |
| HIERARCH ESO ISS PBL13 START | 102.25 |
| HIERARCH ESO ISS PBL13 END | 102.159 |
| HIERARCH ESO ISS PBLA13 START | 32.2 |
| HIERARCH ESO ISS PBLA13 END | 32.9 |
| HIERARCH ESO ISS PBL14 START | 130.15 |
| HIERARCH ESO ISS PBL14 END | 130.035 |
| HIERARCH ESO ISS PBLA14 START | 60.205 |
| HIERARCH ESO ISS PBLA14 END | 60.964 |
| HIERARCH ESO ISS PBL23 START | 46.575 |
| HIERARCH ESO ISS PBL23 END | 46.53 |
| HIERARCH ESO ISS PBLA23 START | 39.9 |
| HIERARCH ESO ISS PBLA23 END | 40.6 |
| HIERARCH ESO ISS PBL24 START | 89.429 |
| HIERARCH ESO ISS PBL24 END | 89.395 |
| HIERARCH ESO ISS PBLA24 START | 81.074 |
| HIERARCH ESO ISS PBLA24 END | 81.859 |
| HIERARCH ESO ISS PBL34 START | 62.432 |
| HIERARCH ESO ISS PBL34 END | 62.467 |
| HIERARCH ESO ISS PBLA34 START | 110.499 |
| HIERARCH ESO ISS PBLA34 END | 111.275 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009185 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009773 |
| HIERARCH ESO ISS AMBI TEMP | 17.63 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |