Exposure
- ID
- GRAVI.2024-07-18T05:16:12.802_2
- Header ID
- GRAVI.2024-07-18T05:16:12.802
- Date updated
- 2024-07-18 08:50:34 UTC+0000
- Release date
- 2025-07-18 08:50:31 UTC+0000
- UTC Start
- 2024-07-18 05:16:12.802
- UTC End
- 2024-07-18 05:22:12.802
- MJD Start
- 60509.21959262
- MJD End
- 60509.2237592867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007497
- Ambient temperature (°C)
- 15.36
- Seeing (arcsec)
- 0.46
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 | 52.3750 | 52.0400 | 38.5000 | 38.8000 |
| U1-U3 | 92.8890 | 92.1230 | 44.7000 | 45.0000 |
| U1-U4 | 108.8780 | 107.1400 | 75.5180 | 76.0680 |
| U2-U3 | 41.2180 | 40.7810 | 52.7000 | 53.0000 |
| U2-U4 | 74.1020 | 72.8690 | 100.6980 | 101.6720 |
| U3-U4 | 55.7260 | 55.2230 | 134.0600 | 135.3580 |
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 | 60509.21959262 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416793 |
| DEC | -29.00724 |
| 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 | 52.375 |
| HIERARCH ESO ISS PBL12 END | 52.04 |
| HIERARCH ESO ISS PBLA12 START | 38.5 |
| HIERARCH ESO ISS PBLA12 END | 38.8 |
| HIERARCH ESO ISS PBL13 START | 92.889 |
| HIERARCH ESO ISS PBL13 END | 92.123 |
| HIERARCH ESO ISS PBLA13 START | 44.7 |
| HIERARCH ESO ISS PBLA13 END | 45.0 |
| HIERARCH ESO ISS PBL14 START | 108.878 |
| HIERARCH ESO ISS PBL14 END | 107.14 |
| HIERARCH ESO ISS PBLA14 START | 75.518 |
| HIERARCH ESO ISS PBLA14 END | 76.068 |
| HIERARCH ESO ISS PBL23 START | 41.218 |
| HIERARCH ESO ISS PBL23 END | 40.781 |
| HIERARCH ESO ISS PBLA23 START | 52.7 |
| HIERARCH ESO ISS PBLA23 END | 53.0 |
| HIERARCH ESO ISS PBL24 START | 74.102 |
| HIERARCH ESO ISS PBL24 END | 72.869 |
| HIERARCH ESO ISS PBLA24 START | 100.698 |
| HIERARCH ESO ISS PBLA24 END | 101.672 |
| HIERARCH ESO ISS PBL34 START | 55.726 |
| HIERARCH ESO ISS PBL34 END | 55.223 |
| HIERARCH ESO ISS PBLA34 START | 134.06 |
| HIERARCH ESO ISS PBLA34 END | 135.358 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007251 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007743 |
| HIERARCH ESO ISS AMBI TEMP | 15.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |