Exposure
- ID
- GRAVI.2024-07-17T04:38:33.294_2
- Header ID
- GRAVI.2024-07-17T04:38:33.294
- Date updated
- 2024-07-17 04:55:33 UTC+0000
- Release date
- 2025-07-17 04:55:33 UTC+0000
- UTC Start
- 2024-07-17 04:38:33.294
- UTC End
- 2024-07-17 04:44:33.294
- MJD Start
- 60508.1934409
- MJD End
- 60508.1976075667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008812
- Ambient temperature (°C)
- 17.51
- Seeing (arcsec)
- 0.58
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
- 266.417083333333
- DEC
- -29.0076816944444
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 | 54.1890 | 53.9470 | 36.0000 | 36.4000 |
| U1-U3 | 97.0610 | 96.5010 | 42.3000 | 42.7000 |
| U1-U4 | 118.4820 | 117.1800 | 71.8600 | 72.4410 |
| U2-U3 | 43.6110 | 43.2890 | 50.2000 | 50.6000 |
| U2-U4 | 81.0470 | 80.0930 | 94.9220 | 95.7700 |
| U3-U4 | 58.7410 | 58.3100 | 126.4340 | 127.5360 |
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 | 60508.1934409 |
| 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 | 54.189 |
| HIERARCH ESO ISS PBL12 END | 53.947 |
| HIERARCH ESO ISS PBLA12 START | 36.0 |
| HIERARCH ESO ISS PBLA12 END | 36.4 |
| HIERARCH ESO ISS PBL13 START | 97.061 |
| HIERARCH ESO ISS PBL13 END | 96.501 |
| HIERARCH ESO ISS PBLA13 START | 42.3 |
| HIERARCH ESO ISS PBLA13 END | 42.7 |
| HIERARCH ESO ISS PBL14 START | 118.482 |
| HIERARCH ESO ISS PBL14 END | 117.18 |
| HIERARCH ESO ISS PBLA14 START | 71.86 |
| HIERARCH ESO ISS PBLA14 END | 72.441 |
| HIERARCH ESO ISS PBL23 START | 43.611 |
| HIERARCH ESO ISS PBL23 END | 43.289 |
| HIERARCH ESO ISS PBLA23 START | 50.2 |
| HIERARCH ESO ISS PBLA23 END | 50.6 |
| HIERARCH ESO ISS PBL24 START | 81.047 |
| HIERARCH ESO ISS PBL24 END | 80.093 |
| HIERARCH ESO ISS PBLA24 START | 94.922 |
| HIERARCH ESO ISS PBLA24 END | 95.77 |
| HIERARCH ESO ISS PBL34 START | 58.741 |
| HIERARCH ESO ISS PBL34 END | 58.31 |
| HIERARCH ESO ISS PBLA34 START | 126.434 |
| HIERARCH ESO ISS PBLA34 END | 127.536 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007663 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009961 |
| HIERARCH ESO ISS AMBI TEMP | 17.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |