Exposure
- ID
- GRAVI.2024-07-17T02:29:02.965_2
- Header ID
- GRAVI.2024-07-17T02:29:02.965
- Date updated
- 2024-07-17 02:45:29 UTC+0000
- Release date
- 2025-07-17 02:45:28 UTC+0000
- UTC Start
- 2024-07-17 02:29:02.965
- UTC End
- 2024-07-17 02:35:02.965
- MJD Start
- 60508.10350654
- MJD End
- 60508.107673206665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004606
- Ambient temperature (°C)
- 17.37
- Seeing (arcsec)
- 0.825
Observation
- ID
- 60139
- 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
- 43560
- Name
- IRS16C
- RA
- 266.4170833333333
- DEC
- -29.007681694444443
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 | 56.5160 | 56.4900 | 24.1000 | 24.8000 |
| U1-U3 | 102.3930 | 102.3480 | 30.4000 | 31.1000 |
| U1-U4 | 130.1790 | 130.2100 | 58.2950 | 59.0890 |
| U2-U3 | 46.6360 | 46.6200 | 38.1000 | 38.8000 |
| U2-U4 | 89.2850 | 89.3820 | 79.1420 | 79.9390 |
| U3-U4 | 62.2050 | 62.3220 | 108.6570 | 109.4060 |
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 | 60508.10350654 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416869 |
| DEC | -29.00738 |
| 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 | 56.516 |
| HIERARCH ESO ISS PBL12 END | 56.49 |
| HIERARCH ESO ISS PBLA12 START | 24.1 |
| HIERARCH ESO ISS PBLA12 END | 24.8 |
| HIERARCH ESO ISS PBL13 START | 102.393 |
| HIERARCH ESO ISS PBL13 END | 102.348 |
| HIERARCH ESO ISS PBLA13 START | 30.4 |
| HIERARCH ESO ISS PBLA13 END | 31.1 |
| HIERARCH ESO ISS PBL14 START | 130.179 |
| HIERARCH ESO ISS PBL14 END | 130.21 |
| HIERARCH ESO ISS PBLA14 START | 58.295 |
| HIERARCH ESO ISS PBLA14 END | 59.089 |
| HIERARCH ESO ISS PBL23 START | 46.636 |
| HIERARCH ESO ISS PBL23 END | 46.62 |
| HIERARCH ESO ISS PBLA23 START | 38.1 |
| HIERARCH ESO ISS PBLA23 END | 38.8 |
| HIERARCH ESO ISS PBL24 START | 89.285 |
| HIERARCH ESO ISS PBL24 END | 89.382 |
| HIERARCH ESO ISS PBLA24 START | 79.142 |
| HIERARCH ESO ISS PBLA24 END | 79.939 |
| HIERARCH ESO ISS PBL34 START | 62.205 |
| HIERARCH ESO ISS PBL34 END | 62.322 |
| HIERARCH ESO ISS PBLA34 START | 108.657 |
| HIERARCH ESO ISS PBLA34 END | 109.406 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004606 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004606 |
| HIERARCH ESO ISS AMBI TEMP | 17.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.99 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |