Exposure
- ID
- GRAVI.2025-05-14T04:26:02.767_2
- Header ID
- GRAVI.2025-05-14T04:26:02.767
- Date updated
- 2025-05-14 06:29:33 UTC+0000
- Release date
- 2026-05-14 04:45:51 UTC+0000
- UTC Start
- 2025-05-14 04:26:02.767
- UTC End
- 2025-05-14 04:32:02.767
- MJD Start
- 60809.18475425
- MJD End
- 60809.18892091667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028705
- Ambient temperature (°C)
- 16.0
- Seeing (arcsec)
- 1.26
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 | 56.2820 | 56.2980 | 6.3000 | 7.3000 |
| U1-U3 | 101.1150 | 101.1990 | 11.7000 | 12.7000 |
| U1-U4 | 119.5280 | 120.2940 | 36.9660 | 38.2270 |
| U2-U3 | 45.3760 | 45.4610 | 18.3000 | 19.4000 |
| U2-U4 | 76.6600 | 77.6240 | 58.9290 | 60.1370 |
| U3-U4 | 51.5670 | 52.4210 | 93.9270 | 94.6430 |
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 | 60809.18475425 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416889 |
| DEC | -29.00642 |
| 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 | 56.282 |
| HIERARCH ESO ISS PBL12 END | 56.298 |
| HIERARCH ESO ISS PBLA12 START | 6.3 |
| HIERARCH ESO ISS PBLA12 END | 7.3 |
| HIERARCH ESO ISS PBL13 START | 101.115 |
| HIERARCH ESO ISS PBL13 END | 101.199 |
| HIERARCH ESO ISS PBLA13 START | 11.7 |
| HIERARCH ESO ISS PBLA13 END | 12.7 |
| HIERARCH ESO ISS PBL14 START | 119.528 |
| HIERARCH ESO ISS PBL14 END | 120.294 |
| HIERARCH ESO ISS PBLA14 START | 36.966 |
| HIERARCH ESO ISS PBLA14 END | 38.227 |
| HIERARCH ESO ISS PBL23 START | 45.376 |
| HIERARCH ESO ISS PBL23 END | 45.461 |
| HIERARCH ESO ISS PBLA23 START | 18.3 |
| HIERARCH ESO ISS PBLA23 END | 19.4 |
| HIERARCH ESO ISS PBL24 START | 76.66 |
| HIERARCH ESO ISS PBL24 END | 77.624 |
| HIERARCH ESO ISS PBLA24 START | 58.929 |
| HIERARCH ESO ISS PBLA24 END | 60.137 |
| HIERARCH ESO ISS PBL34 START | 51.567 |
| HIERARCH ESO ISS PBL34 END | 52.421 |
| HIERARCH ESO ISS PBLA34 START | 93.927 |
| HIERARCH ESO ISS PBLA34 END | 94.643 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003269 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002472 |
| HIERARCH ESO ISS AMBI TEMP | 16.0 |
| HIERARCH ESO ISS AMBI FWHM START | 1.17 |
| HIERARCH ESO ISS AMBI FWHM END | 1.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |