Exposure
- ID
- GRAVI.2024-05-29T03:08:04.018_2
- Header ID
- GRAVI.2024-05-29T03:08:04.018
- Date updated
- 2024-05-29 03:25:21 UTC+0000
- Release date
- 2025-05-29 03:25:21 UTC+0000
- UTC Start
- 2024-05-29 03:08:04.018
- UTC End
- 2024-05-29 03:14:04.018
- MJD Start
- 60459.13060206
- MJD End
- 60459.1347687267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0040615
- Ambient temperature (°C)
- 14.56
- Seeing (arcsec)
- 0.58
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- 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 | 56.2470 | 56.2580 | 3.8000 | 4.7000 |
| U1-U3 | 100.9070 | 100.9770 | 8.8000 | 9.8000 |
| U1-U4 | 117.3890 | 118.1540 | 33.3070 | 34.6440 |
| U2-U3 | 45.1540 | 45.2310 | 15.1000 | 16.3000 |
| U2-U4 | 73.8710 | 74.8860 | 55.3690 | 56.6810 |
| U3-U4 | 49.0230 | 49.9630 | 91.8860 | 92.6280 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60459.13060206 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416878 |
| DEC | -29.00732 |
| 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 | 56.247 |
| HIERARCH ESO ISS PBL12 END | 56.258 |
| HIERARCH ESO ISS PBLA12 START | 3.8 |
| HIERARCH ESO ISS PBLA12 END | 4.7 |
| HIERARCH ESO ISS PBL13 START | 100.907 |
| HIERARCH ESO ISS PBL13 END | 100.977 |
| HIERARCH ESO ISS PBLA13 START | 8.8 |
| HIERARCH ESO ISS PBLA13 END | 9.8 |
| HIERARCH ESO ISS PBL14 START | 117.389 |
| HIERARCH ESO ISS PBL14 END | 118.154 |
| HIERARCH ESO ISS PBLA14 START | 33.307 |
| HIERARCH ESO ISS PBLA14 END | 34.644 |
| HIERARCH ESO ISS PBL23 START | 45.154 |
| HIERARCH ESO ISS PBL23 END | 45.231 |
| HIERARCH ESO ISS PBLA23 START | 15.1 |
| HIERARCH ESO ISS PBLA23 END | 16.3 |
| HIERARCH ESO ISS PBL24 START | 73.871 |
| HIERARCH ESO ISS PBL24 END | 74.886 |
| HIERARCH ESO ISS PBLA24 START | 55.369 |
| HIERARCH ESO ISS PBLA24 END | 56.681 |
| HIERARCH ESO ISS PBL34 START | 49.023 |
| HIERARCH ESO ISS PBL34 END | 49.963 |
| HIERARCH ESO ISS PBLA34 START | 91.886 |
| HIERARCH ESO ISS PBLA34 END | 92.628 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004782 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003341 |
| HIERARCH ESO ISS AMBI TEMP | 14.56 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |