Exposure
- ID
- GRAVI.2024-07-17T23:46:38.965_2
- Header ID
- GRAVI.2024-07-17T23:46:38.965
- Date updated
- 2024-07-18 04:50:34 UTC+0000
- Release date
- 2025-07-18 04:50:34 UTC+0000
- UTC Start
- 2024-07-17 23:46:38.965
- UTC End
- 2024-07-17 23:53:18.965
- MJD Start
- 60508.99072876
- MJD End
- 60508.99535838963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0100055
- Ambient temperature (°C)
- 18.09
- Seeing (arcsec)
- 0.48
Observation
- ID
- 60143
- Category
- science
- Program ID
- 113.268P.004
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43558
- Name
- IRS16C
- RA
- 266.4170833333333
- DEC
- -29.007681666666667
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 | 56.2400 | 56.2500 | 3.0000 | 4.1000 |
| U1-U3 | 100.8590 | 100.9290 | 8.0000 | 9.2000 |
| U1-U4 | 116.8140 | 117.6370 | 32.2790 | 33.7450 |
| U2-U3 | 45.0980 | 45.1790 | 14.3000 | 15.5000 |
| U2-U4 | 73.0940 | 74.2030 | 54.3520 | 55.8010 |
| U3-U4 | 48.2940 | 49.3320 | 91.3190 | 92.1290 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60508.99072876 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16SW |
| RA | 266.416885 |
| DEC | -29.0075 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 56.24 |
| HIERARCH ESO ISS PBL12 END | 56.25 |
| HIERARCH ESO ISS PBLA12 START | 3.0 |
| HIERARCH ESO ISS PBLA12 END | 4.1 |
| HIERARCH ESO ISS PBL13 START | 100.859 |
| HIERARCH ESO ISS PBL13 END | 100.929 |
| HIERARCH ESO ISS PBLA13 START | 8.0 |
| HIERARCH ESO ISS PBLA13 END | 9.2 |
| HIERARCH ESO ISS PBL14 START | 116.814 |
| HIERARCH ESO ISS PBL14 END | 117.637 |
| HIERARCH ESO ISS PBLA14 START | 32.279 |
| HIERARCH ESO ISS PBLA14 END | 33.745 |
| HIERARCH ESO ISS PBL23 START | 45.098 |
| HIERARCH ESO ISS PBL23 END | 45.179 |
| HIERARCH ESO ISS PBLA23 START | 14.3 |
| HIERARCH ESO ISS PBLA23 END | 15.5 |
| HIERARCH ESO ISS PBL24 START | 73.094 |
| HIERARCH ESO ISS PBL24 END | 74.203 |
| HIERARCH ESO ISS PBLA24 START | 54.352 |
| HIERARCH ESO ISS PBLA24 END | 55.801 |
| HIERARCH ESO ISS PBL34 START | 48.294 |
| HIERARCH ESO ISS PBL34 END | 49.332 |
| HIERARCH ESO ISS PBLA34 START | 91.319 |
| HIERARCH ESO ISS PBLA34 END | 92.129 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010126 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009885 |
| HIERARCH ESO ISS AMBI TEMP | 18.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |