Exposure
- ID
- GRAVI.2024-07-17T23:31:20.926_2
- Header ID
- GRAVI.2024-07-17T23:31:20.926
- Date updated
- 2024-07-18 04:30:35 UTC+0000
- Release date
- 2025-07-18 04:30:35 UTC+0000
- UTC Start
- 2024-07-17 23:31:20.926
- UTC End
- 2024-07-17 23:38:00.926
- MJD Start
- 60508.98010331
- MJD End
- 60508.98473293963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00989
- Ambient temperature (°C)
- 17.83
- Seeing (arcsec)
- 0.43
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 | 56.2280 | 56.2320 | 0.8000 | 1.8000 |
| U1-U3 | 100.7320 | 100.7850 | 5.6000 | 6.7000 |
| U1-U4 | 115.0500 | 115.8410 | 28.9470 | 30.4780 |
| U2-U3 | 44.9390 | 45.0080 | 11.5000 | 12.8000 |
| U2-U4 | 70.6210 | 71.7490 | 50.9890 | 52.5470 |
| U3-U4 | 45.8970 | 47.0040 | 89.4810 | 90.3260 |
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 | 60508.98010331 |
| 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 | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.232 |
| HIERARCH ESO ISS PBLA12 START | 0.8 |
| HIERARCH ESO ISS PBLA12 END | 1.8 |
| HIERARCH ESO ISS PBL13 START | 100.732 |
| HIERARCH ESO ISS PBL13 END | 100.785 |
| HIERARCH ESO ISS PBLA13 START | 5.6 |
| HIERARCH ESO ISS PBLA13 END | 6.7 |
| HIERARCH ESO ISS PBL14 START | 115.05 |
| HIERARCH ESO ISS PBL14 END | 115.841 |
| HIERARCH ESO ISS PBLA14 START | 28.947 |
| HIERARCH ESO ISS PBLA14 END | 30.478 |
| HIERARCH ESO ISS PBL23 START | 44.939 |
| HIERARCH ESO ISS PBL23 END | 45.008 |
| HIERARCH ESO ISS PBLA23 START | 11.5 |
| HIERARCH ESO ISS PBLA23 END | 12.8 |
| HIERARCH ESO ISS PBL24 START | 70.621 |
| HIERARCH ESO ISS PBL24 END | 71.749 |
| HIERARCH ESO ISS PBLA24 START | 50.989 |
| HIERARCH ESO ISS PBLA24 END | 52.547 |
| HIERARCH ESO ISS PBL34 START | 45.897 |
| HIERARCH ESO ISS PBL34 END | 47.004 |
| HIERARCH ESO ISS PBLA34 START | 89.481 |
| HIERARCH ESO ISS PBLA34 END | 90.326 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010826 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008954 |
| HIERARCH ESO ISS AMBI TEMP | 17.83 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |